Chapter Resources Grade 4, Chapter 7 Contents Resources for Chapter 7: More Expressions and Equations • Lesson Quizzes Lessons 7.1–7.5 Daily Routines Reteach Practice Enrichment Leveled Problem Solving Homework • Chapter 7 Test Individual and Class Record Sheets • Unit 3 Test Individual and Class Record Sheets B Copyright © by Houghton Mifflin Company. All rights reserved. Permission is hereby granted to teachers to reprint or photocopy classroom quantities of the pages or sheets in this work that carry the Houghton Mifflin copyright notice. These pages are designed to be reproduced by teachers for use in their classes with accompanying Houghton Mifflin material, provided each copy made shows the copyright notice. Such copies may not be sold, and further distribution is expressly prohibited. Except as authorized above, prior written permission must be obtained from Houghton Mifflin Company to reproduce or transmit this work or portions thereof in any form or by any electronic or mechanical means, including any information storage or retrieval system, unless expressly permitted by federal copyright law. Address inquiries to School Permissions, 222 Berkeley Street, Boston, MA 02116. Printed in the U.S.A. Booklet 7 of 29 TTL_73744_U3_C07.indd 7–1 7–1 2/1/08 3:05:54 PM Name Date Chapter 7, Lesson 1 Lesson Quiz Lesson 1 Quiz What do you do first when evaluating each expression? 1. 5-8÷2 2. 6×3+4 3. 7 × (5 + 3) ÷ 2 4. 4 + 8 × 3 - 10 Lesson Quiz Use with Chapter 7, Lesson 1 Copyright © Houghton Mifflin Company. All rights reserved. Name Date Chapter 7, Lesson 2 Lesson Quiz Lesson 2 Quiz Simplify. 1. 12 ÷ 6 + 3 × 7 2. 5 × (10 - 2) - 5 Solve. 3. 4. Use parentheses to change the value of 3 × 4 + 2. Use the numbers 1, 2, and 3 and the operations of subtraction and division to write an expression. Find its value. Lesson Quiz 7–2 Use with Chapter 7, Lesson 2 Copyright © Houghton Mifflin Company. All rights reserved. CAPEG4_C07_LessonQuiz.indd 7–2 2/6/08 8:29:38 PM Name Date Chapter 7, Lesson 3 Lesson Quiz Lesson 3 Quiz Complete. Use >, <, or =. 1. 2+6×5 2. (4 + 7) + 5 3 × (10 - 1) 10 + 18 ÷ 3 Lesson Quiz Use with Chapter 7, Lesson 3 Copyright © Houghton Mifflin Company. All rights reserved. Name Date Chapter 7, Lesson 4 Lesson Quiz Lesson 4 Quiz Find the missing number that makes each equation true. 1. (4 + 6) × 7 = 2. 8×( ×7 - 2) = 5 × 8 Lesson Quiz 7–3 Use with Chapter 7, Lesson 4 Copyright © Houghton Mifflin Company. All rights reserved. CAPEG4_C07_LessonQuiz.indd 7–3 2/6/08 8:29:53 PM Name Date Chapter 7, Lesson 5 Lesson Quiz Lesson 5 Quiz Tickets to the play are $8 for adults and $5 for children. Write an expression for each situation. 1. 4 adult tickets and 2 children’s tickets 2. How much change do you get from $30 if you buy 3 adult tickets? 3. If you have $38 and buy 1 adult ticket, how many children’s tickets can you get? 4. Evaluate the expressions you wrote for Exercises 1–3. Lesson Quiz Use with Chapter 7, Lesson 5 Copyright © Houghton Mifflin Company. All rights reserved. Lesson Quiz 7–4 Copyright © Houghton Mifflin Company. All rights reserved. CAPEG4_C07_LessonQuiz.indd 7–4 2/6/08 8:30:09 PM Name Chapter 7, Lesson 1 Daily Routines Date Hands On: Expressions with All Four Operations Problem of the Day KEY NS 3.0 Tran earns $7 an hour working at the pet store. How much money would Tran make if he works 4 hours? Number Sense KEY NS 3.0 On your whiteboard, write two multiplication and division fact families which include the number 6. Word of the Day AF 1.0 properties How are the properties for addition and multiplication similar? How are they different? Facts Practice KEY AF 1.3 Add parentheses to make the value of each expression equal to 8. 1. 12 - 7 + 3 2. 20 - 4 + 8 4. 18 - 13 + 3 5. 11 - 1 + 2 Daily Routines 7–5 3. 10 - 1 + 1 Use with Chapter 7, Lesson 1 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–5 11/30/07 4:24:03 AM Name Chapter 7, Lesson 1 Reteach Date Hands On: Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 What is the value of 6 + 4 ÷ (2 - 1)? Step 1 Do the operation inside the parentheses first. (2 - 1) = 1 Step 2 Then divide in order from left to right. 4÷1=4 Step 3 Last do the addition from left to right. 6 + 4 = 10 Solution: The value of 6 + 4 ÷ (2 - 1) is 10. Use the numbers and operation symbols below to make an expression with the value of 7. Remember to follow the order of operations. 1. 3, 2, 1, +, × 2. 1, 2, 16, ÷, - Using each set of parentheses, solve each expression to get three different values. 3. (4 + 8) ÷ 2 × 3 - 1 = 5. 4 + 8 ÷ 2 × (3 - 1) = 4. 4 + (8 ÷ 2) × 3 - 1 = Writing Math Why do you think parentheses were not placed around the 2 and 3 in problems 3, 4, and 5? Explain. Reteach 7–6 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_RET.indd 7–6 11/30/07 4:26:01 AM Name Date Hands On: Expressions with All Four Operations Chapter 7, Lesson 1 Practice CA Standards AF 1.3 AF 1.2, Use the numbers and operation symbols below to make an expression with the value of 4. Remember to follow the order of operations. 1. 6 2 1 × - 2. 8 2 0 ÷ + 3. 1 2 4 2 × - Write the expression shown below three times. Add one set of parentheses to each expression to get three different values. 6+4÷2×6-3 4. 5. 6. Writing Math Which expression from problems 4–6 has the same value as the expression without parentheses? Tell the order of the operations you did to get the same answer. Practice 7–7 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_PRAC.indd 7–7 11/30/07 4:26:30 AM Name Chapter 7, Lesson 1 Enrichment Date Solving Expressions CA Standards AF 1.2, AF 1.3 Find the value of each equation. Then use the values you found to answer the riddle below by filling in the blanks with the appropriate letters. Riddle: Why was the zero so sad? 1. (4 + 8) ÷ 2 × 4 - 3 = 2. 4 + (8 ÷ 2) × 4 - 3 = 3. 4 + 8 ÷ (2 × 4) - 3 = 4. 4 + 8 ÷ 2 × (4 - 3) = 5. (10 - 3) × 2 + 1 = 6. 10 - (3 × 2) + 1 = 7. 10 - 3 × (2 + 1) = 8. (12 - 5) + 4 = 9. 12 - (5 + 4) = 5=H 15 = 0 1=V 21 = N 17 = D 2=U 8=L 11 = E 3=A 10. ANSWER: __ ___ __ __ ___ ___ ___ __ __ __ __ ___ 5 11 5 3 17 21 15 1 3 8 2 11 Writing Math Sam worked out the expression 10 - 2 × 5 and got an answer of 40. Is he correct? Explain. Enrichment 7–8 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_ENR.indd 7–8 11/30/07 4:27:35 AM Chapter 7, Lesson 1 Name Leveled Problem Solving Date Hands On: Expressions with All Four Operations CA Standard AF 1.2, AF 1.3 Solve each problem. Write an equation to get your answer. Remember that information from one problem will help you solve the next one. 1. John’s family had an open house party on New Year’s Day. 4 guests came at noon. Ten minutes later, 2 more guests arrived. At 12:30, one guest left. How many guests remained at the party? 2. At 12:40, 6 more guests arrived at John’s house. Then 2 couples left. How many guests are there now at the party? 3. Over the next hour, the number of guests at the party tripled. Then, Mr. and Mrs. Ortiz and their three children left to go to another party. How many guests were left? 4. By 2:30, half of the remaining guests had left. Then John’s friends Gail, Bob, and Bob’s cousin arrived and gave the party a needed lift. What was the guest count now? 5. Bob and his cousin left at 4:15 and five minutes later John’s Uncle Art, Aunt Louise, and their 4 children arrived, apologizing for being so late. Shortly after, 3 more couples left. How many guests are still at the party? 6. After the other guests had gone, John’s father invited Uncle Art and his family to stay for the night. They gratefully accepted. If John has two sisters besides his parents, how many people slept that night at his house? Leveled Problem Solving 7–9 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_PS.indd 7–9 11/30/07 4:28:10 AM Name Date Hands On: Expressions with All Four Operations Chapter 7, Lesson 1 Homework CA Standards AF 1.2, AF 1.3 What is the value of 16 - 10 ÷ 2 × 3? Step 1 Follow the order of operations. Evaluate 10 ÷ 2 using number tiles. 1 - 6 × 5 3 Step 2 Now do the multiplication in the expression. Use the tiles to replace 5 × 3. 1 - 6 1 5 Step 3 Finish by doing the subtraction in the expression. 16 - 15 = 1 Solution: The value of 16 - 10 ÷ 2 × 3 is 1. Use the numbers and operation symbols below to make an expression with the value of 6. Remember to follow the order of operations. 1. 1 2 3 2. 1 4 1 3. 2 2 × 2 6 2 ÷ 2 + 4QJSBM3FWJFX - - × (Chapter 5, Lesson 3) KEY AF 1.2, AF 1.0 Use the numbers and symbols below to make each equation true . 4, 3, =, > 4. 8- 5. 10 - 6. ×2 ÷2 2 3 Molly has the equation 2 × 3 + 6 - 5 = 13. Where should she put parentheses to make this equation correct? Homework 7–10 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_HMWK.indd 7–10 11/30/07 4:28:44 AM Name Chapter 7, Lesson 2 Daily Routines Date Hands On: Expressions with All Four Operations Problem of the Day KEY AF 1.2 Explain each step in solving the problem shown below. (7 + 8) ÷ 3 × 4 – 2 Number Sense KEY NS 3.1 Write and solve a subtraction problem in which the thousands need to be regrouped as hundreds and the tens need to be regrouped as ones. Number of the Day KEY NS 3.0 12 Write all the ways 12 can be the answer to a multiplication problem. Facts Practice KEY NS 1.1 Write each number in word form. 1. 54,291 4. 10,800,450 Daily Routines 2. 5 320,670 3. 759,781 553,781,000 7–11 Use with Chapter 7, Lesson 2 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–11 11/30/07 4:24:25 AM Name Chapter 7, Lesson 2 Reteach Date Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Find 48 ÷ (3 × 4) + 2. Step 1 Do the operations in parentheses first. 48 ÷ (3 × 4) + 2 Step 2 Multiply and divide from left to right. Step 3 Add and subtract from left to right. 48 ÷ 12 + 2 4+2=6 Think: (3 × 4) = 12 Think: 48 ÷ 12 = 4 48 ÷ 12 + 2 4+2 Solution: 48 ÷ (3 × 4) + 2 = 6 Simplify each expression. Follow the order of operations. 1. (3 + 6) × 8 2. 24 ÷ (2 × 2) 3. (3 × 9) - 8 4. 12 × 3 + (8 - 4) 5. (4 + 8) ÷ 3 6. 15 ÷ (5 × 3) 7. 4 × 3 + 12 8. 3×9+2×6 9. 5 × (49 ÷ 7) Write an expression for each situation. 10. The sum of 8 and the product of 5 and 3 11. 8 times the difference of 15 and 6 12. 9 more than 36 divided by 6 Writing Math Lila and Frank evaluated the expression 7 × 4 ÷ 2 + 5. Lila got 4 and Frank got 19. Explain what they each did to get their answer. Reteach 7–12 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_RET.indd 7–12 11/30/07 4:29:13 AM Name Chapter 7, Lesson 2 Practice Date Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Simplify each expression. Follow the order of operations. 1. (6 + 3) × 4 2. (7 - 5) × 6 3. (15 + 3) ÷ 6 4. 8 + (5 × 3) 5. 9 - (21 ÷ 7) 6. 3 × (12 - 8) 7. 7 + (6 × 3) - 10 8. 30 - (3 × 3) + 4 9. (18 - 3) ÷ 5 11. 18 + 9 × 7 - 13 12. 10. 6+5×4-7 5 × (6 + 3) × 2 Write an expression for each situation. 13. the sum of 21 and the product of 8 and 7 14. 73 more than 6 times 9 15. 3 fewer than 42 divided by 7 Test Practice Circle the letter of the correct answer. 16. 17. 18. Karen owns 3 guitars that have 6 strings each and 2 mandolins that have 8 strings each. How many strings do her instruments have in all? A 34 C 19 B 36 D 5 There are 30 students in the classroom. If three groups of 4 students leave the room, how many students are left? A 26 C 12 B 18 D 20 David owns 4 guitars with 6 strings each and a guitar with 4 main strings and 22 special resonating strings. How would you find how may strings his instruments have in all? Practice 7–13 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_PRAC.indd 7–13 11/30/07 4:29:36 AM Name Chapter 7, Lesson 2 Enrichment Date Finding the Lowest Point CA Standards AF 1.2, AF 1.3 Below is a table showing the lowest point on six continents. Use the information to help you solve each problem. The World’s Lowest Points Continent Asia Africa North America South America Europe Australia Lowest Point Location Dead Sea Lake Assal Death Valley Valdes Peninsula Caspian Sea Lake Eyre Feet Below Sea Level Israel–Jordan Djibouti California Argentina Russia–Kazakhstan South Australia 1,348 512 282 131 92 52 Simplify each expression and write the lowest point it represents. 1. 2 × 200 + 5 × 20 + 24 ÷ 2 2. 300 - 200 + 5 × 6 + 1 3. 300 + 2 × 500 + 9 × 4 + 12 Solve each problem using a number sentence. 4. Irina lives at half the elevation of the Caspian Sea. Her house is 20 feet high. If she stands on her roof, how far below sea level is she? 5. Allen drove halfway out of Death Valley, then he stopped after another 50 feet to take a drink from his water bottle. How far below sea level is he? 6. Corey visited Lake Eyre and then walked up a hill 82 feet above sea level. How many feet in elevation has he traveled? Writing Math Connie did problem 4 above and got an answer of 66 feet. What did she do wrong? Explain. Enrichment 7–14 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_ENR.indd 7–14 11/30/07 4:31:06 AM Chapter 7, Lesson 2 Name Date Leveled Problem Solving Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Write and evaluate an expression to solve each problem. 1. Hillary likes to take photographs with her camera. She took 40 pictures one week. She took twice as many the following week. How many pictures did she take in the two weeks? 2. Vic puts his photos in albums. He has 1 album of 25 pages. There are 4 photos on each page. He also has a 20-page album with 3 photos on each page. How many photos does he have in the two albums? 3. José took 3 rolls of film with him on the class field trip. Each rolls contains 36 pictures. He used up 2 rolls. There were 10 pictures left on the third roll when he got home. How many pictures of the class trip did José take? 4. Brad took the photos at his aunt’s wedding. He took 22 pictures before the wedding, half as many during the wedding, and twice as many pictures after the wedding. How many wedding pictures did Brad take in all? 5. Lien went to the store to buy a new camera. The camera cost $86. She also bought 2 rolls of film that cost $5 each. She paid for her purchases with a $100 bill. What change did she receive back? 6. Maria takes pictures in both black and white and color. She took 47 black and white pictures one day and 6 more than that in color. The same day, Teresa took 34 pictures in black and white and half as many in color. How many pictures did they both take that day? Leveled Problem Solving 7–15 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_PS.indd 7–15 1/27/08 10:29:44 AM Name Chapter 7, Lesson 2 Homework Date Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Evaluate 7 + (12 ÷ 3 ) × 5 Step 1 7 + (12 ÷ 3 ) × 5 Simplify inside parentheses. Step 2 7 + 4 × 5 Multiply and divide from left to right. Step 3 7 + 20 Add and subtract from left to right. Solution: The value of 7 + (12 ÷ 3 ) × 5 is 27. Simplify each expression. Follow the order of operations. 1. (7 + 8) × 2 2. (12 - 7) × 8 3. (9 + 7) ÷ 8 4. 25 + (4 × 5) - 15 5. 70 - (8 × 5) ÷ 10 6. (28 - 4) ÷ 3 Write an expression for each situation. 7. 38 fewer than 8 times 6 8. 22 more than 25 divided by 5 9. 159 fewer than 4 times the sum of 20 and 46 4QJSBM3FWJFX 10. (Chapter 4, Lesson 3) KEY NS 3.1, KEY NS 3.0 Subtract. Use addition to check your answer. 5,291 - 3,682 = 11. Use inverse operations to find the missing number. 206 + 12. = 389 Ted had 500 bottle caps in his collection. Jan had 174 bottle caps in her collection. How many more bottle caps does Ted have than Jan? Homework 7–16 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_HMWK.indd 7–16 11/30/07 4:32:05 AM Name Chapter 7, Lesson 3 Daily Routines Date Equations and Inequalities with All Four Operations Problem of the Day KEY AF 1.3 Write an expression to represent the phrase given below. Then solve the expression. Seven less than three times the sum of 5 and 4. Number Sense KEY NS 1.31 On your whiteboard write 3 different numbers which round to 91,000. Number of the Day KEY NS 1.11 45 What are some ways to show 45? Facts Practice KEY NS 3.11 Find each sum. 1. 648 + 827 2. 859 + 61 + 571 3. 1,958 + 487 4. 4,782 + 8,391 5. 40,549 + 281,391 6. 200,391 + 589,891 Daily Routines 7–17 Use with Chapter 7, Lesson 3 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–17 11/30/07 4:24:46 AM Name Chapter 7, Lesson 3 Reteach Date Equations and Inequalities with All Four Operations CA Standard AF 1.0 Phil bought 6 used books at the library sale. Willa bought twice as many books as Phil. Write a number sentence that compares the number of books each bought. Step 1 Write an expression for the books bought by each person. Phil’s books Willa’s books 6 6×2 Step 2 Compare the two expressions, using =, <, or >. 6<6×2 Solution: 6 < 12 Copy and complete. Use >, <, or =. 1. 2 × 11 + 6 × 1 3. 50 ÷ 5 - 2 5. 92 + (16 ÷ 4) 46 + 37 80 ÷ 10 99 - (2 × 4) Write +, -, ×, or ÷ in each 6 9. 8 ÷ 2 + 12 = 4 × 3 11. 90 42 - 8 + 16 (2 × 5) × 5 4. 31 + (2 × 7) 74 - 22 16 6. ___ 2 - (2 + 1) 20 ÷ 5 to make each number sentence true. 2+8=2×8+4 7. 2. 4 2 + 10 = 15 + 8 × 5 14 8. ___ 2 10. 12. × 3 = 23 56 ÷ 8 8 36 - __ =8 2 2 30 = 6 × 6 + 1 (2 + 2) Writing Math Hank looked at problem 12 and knew before he added each side of the equation that the missing operation had to be a × or ÷. How did he know? Explain. Reteach 7–18 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_RET.indd 7–18 11/30/07 4:32:29 AM Name Date Equations and Inequalities with All Four Operations Chapter 7, Lesson 3 Practice CA Standard AF 1.0 Copy and complete. Use >, <, or =. 1. 2×3×5 90 ÷ 3 2. 10 + 6 × 8 63 - 5 3. 81 ÷ 9 + 4 6×2+5 4. 60 _ -1 5. 86 6. 40 ÷ 5 × 2 30 - 18 7. 7×8÷2 4×8+6 8. 4×6+7 62 ÷ 2 3+2×1 12 13 × 4 + 28 Write +, -, ×, or ÷ in each sentence true. 9. 3 × 4 = 20 5= 8 18 _ +4 10. 5 11. 6 + 1 - 2 = 30 12. 7 to make each number 3 5-1 3 = 30 - 9 Writing Math Roger changed one operation sign on each side of the equation in problem 1, in order to go from = to <. Was his math correct? What did he change the sign to? Practice 7–19 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_PRAC.indd 7–19 11/30/07 4:32:56 AM Name Chapter 7, Lesson 3 Enrichment Date Comparing Populations CA Standard AF 1.0 Many Native Americans live in Western states. The table below shows the five states with the largest populations of Native Americans. Use the information to solve the problems. Native American Population State Population California 410,510 Arizona 286,680 Oklahoma 278,124 New Mexico 183,972 Texas 145,954 1. Write an inequality that compares the number of Native Americans in California to those in Texas and Oklahoma combined. 2. How many more Native Americans would Oklahoma need to equal the number of Native Americans in Arizona? Write an equation for this comparison. 3. Texas has 45,460 more Native Americans than the state of Alaska. How many Native Americans live in Alaska? Show your answer in an inequality. 4. Arizona and New Mexico are neighboring states. Arizona has more Native Americans than New Mexico. How many more Native Americans live in Arizona than live in New Mexico? Write an inequality to show your answer. Writing Math Lynn wanted to find out which state’s Native American population was closest to half of the Native American population of California. How would she go about finding the answer? Explain. Enrichment 7–20 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_ENR.indd 7–20 11/30/07 4:33:43 AM Chapter 7, Lesson 3 Name Date Leveled Problem Solving Equations and Inequalities with All Four Operations CA Standard AF 1.0 Write equations or inequalities to solve the problems. 1. Bill went on 4 rides at the amusement park. Juanita went on twice as many rides as Bill did. Henry went on 4 more rides than Bill did. Compare how many rides Juanita went on to how many rides Henry went on. 2. Each ride at the amusement park requires tickets. The merrygo-round costs 2 tickets. The Ferris wheel costs 2 times as many tickets. The roller coaster costs 4 more tickets than the merry-go-round. Compare how many tickets needed to ride the Ferris wheel to the number needed to ride the roller coaster. 3. The shooting gallery on the midway awarded 40 stuffed animals as prizes one week. The ring toss awarded 30 more stuffed animals than the shooting gallery. The softball throw presented patrons with twice as many stuffed animals than the shooting gallery. Compare the number of stuffed animals given by the ring toss to the number given by the softball throw. 4. The concession booth sold 75 cotton candies one night at the amusement park. It also sold 3 times as many cups of lemonade. People bought 70 more bags of popcorn as they did cotton candies. Compare the number of cups of lemonade sold that evening to the number of bags of popcorn sold. 5. One night 350 people visited the park’s haunted house. Half as many attended the magic show. 100 fewer people attended the fun house as the haunted house. Compare the number who attended the magic show to the number who went into the fun house. 6. A total of 650 people came to the amusement park on Thursday night. 456 more admissions were recorded on Friday night. Three times as many patrons went to the park on Saturday night as on Thursday night. Compare the number of paid admissions on Friday night to those on Saturday night. Leveled Problem Solving 7–21 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_PS.indd 7–21 11/30/07 4:34:19 AM Name Chapter 7, Lesson 3 Homework Date Equations and Inequalities with All Four Operations CA Standard AF 1.0 Ed read 9 books last summer. Angie read twice as many books as Ed. Hernando read 9 more books than Ed. In a number sentence, compare how many books Angie and Hernando read. Step 1 Write an expression for the number of books each person read. Books read by Angie Books read by Hernando 9×2 9+9 Step 2 Evaluate each. 9×2 9+9 18 18 Step 3 Compare the 2 evaluations. 9×2 = 9+9 18 = 18 Solution: 9 × 2 = 9 + 9 Copy and complete. Use >, <, or =. 1. (100 - 40) × 2 3. 8+7 5. 15 - (6 × 2) 100 + 20 1 × 15 4QJSBM3FWJFX (16 ÷ 4) + 1 2. 20 + (2 × 3) 30 ÷ 2 4. (6 × 8) + 10 40 ___ × (5 × 10) 10 6. (70 ÷ 2) + 5 (2 × 15) + 10 (Chapter 5, Lesson 4) KEY AF 1.2, KEY AF 2.0 Copy and complete. 7. 34 - 16 = 18 8. = 18 (86 + 12) - 31= 34 + 33 - 31 = = 9. What do you know about the value of the × 6 = × 6 Homework 7–22 and in this equation? Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_HMWK.indd 7–22 11/30/07 4:34:50 AM Name Chapter 7, Lesson 4 Daily Routines Date Multiply Equals by Equals Problem of the Day KEY AF 1.3 James wrote a 4 page story. Latisha wrote 1 more than 3 times as many pages as James. Jorge wrote 7 more pages than James. Write a number sentence to compare the number of pages Latisha wrote to the number Jorge wrote. Number Sense KEY NS 3.0 Write 5 basic multiplication facts which involve the number 8. Word of the Day MR 3.3 remainder Give some examples of when you might have a remainder in real life. Facts Practice AF 1.0 Use multiplication properties and division rules to find each missing number. 1. 45 × 3 = 3 × ____ 2. (8 × 5) × 9 = 8 × (___ × 9) 3. ____ × 99 = 0 4. 113 × ____ = 113 5. 49 ÷ 49 = ____ 6. 0 ÷ 5 = ____ Daily Routines 7–23 Use with Chapter 7, Lesson 4 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–23 11/30/07 4:25:06 AM Name Chapter 7, Lesson 4 Reteach Date Multiply Equals by Equals CA Standards AF 2.0 AF 2.2, To keep equations true, you must do the same thing on both sides of the equation. Is 2 + (3 × 6) = 2 + 18 still equal if each side is multiplied by 4? Step 1 Simplify the original equation. Step 2 Multiply each side by 4. 2 + (3 × 6) = 2 + 18 20 × 4 = 20 × 4 2 + 18 = 20 80 = 80 20 = 20 Solution: Both sides of the equation are still equal. Copy and complete. 1. 2 × (9 + 2) = 2 × 2. (6 - 4) × =2×8 3. + (4 × 7) = 12 + 28 4. 3 × (50 ÷ 5) = 3 × 5. × (6 × 8) = 3 × 48 6. 9×( 8. 2×9=2×( 7. 6 × 36 = 6 × (6 × ) ÷ 3) = 9 × 5 - 5) Writing Math Nick said the equation 10 × 2 = (5 × 2) + (1 + 1) is correct. Is he correct? Explain. Reteach 7–24 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_RET.indd 7–24 11/30/07 4:35:16 AM Name Date Multiply Equals by Equals Chapter 7, Lesson 4 Practice CA Standards AF 2.0 AF 2.2, Copy and complete. 1. (4 + 6) × = 10 × 5 2. 30 - (3 × 9) = 30 ÷ 8 + 11 = 4 + 11 3. 4. 12 × ( - 3) = 12 × 3 5. 7 × (24 ÷ 3) = 7 × × (6 × 7) = 4 × 42 6. 7. 3 + 63 ÷ 9 = 3 + 8. 5 × (8 - 3) = 5 × Test Practice Circle the letter of the correct answer. 9. 10. Fran multiplied one side of an equation by 12. How much must she multiply the other side by to keep the equation true? A 6 C 10 B 12 D 24 Carl multiplied one side of an equation by 5. To make it an inequality, what must he multiply the other side by? A 5 C a number B (2 + 3) D any number but 5 Writing Math Kelly multiplied one side of an equation by 6 and the other side by (36 ÷ 6). Does she still have an equation? Explain. Practice 7–25 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_PRAC.indd 7–25 11/30/07 4:35:51 AM Name Date Solving Equations Chapter 7, Lesson 4 Enrichment CA Standards AF 2.0 AF 2.2, Complete each equation. Then use the values you found to find the answer to the riddle below by filling in the blanks with the appropriate letters. Riddle: Why were the two sides of the inequality fighting? 1. 3 × (2 × 4) = 3 × 2. (6 - 2) × 3. 7×3-4= 4. 3 + (8 × 4) = 5 × 6 + =6+6 ×3-1 × (2 + 1) = 15 - 3 5. 3=E 6=V 5=N 4=T 8=G 6. ANSWER: They wanted to __ __ __ 8 3 4 __ __ __ __ 3 6 3 5 Writing Math If the parentheses were removed from problem 4 above would the answer remain the same? Explain. Enrichment 7–26 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_ENR.indd 7–26 11/30/07 4:36:18 AM Chapter 7, Lesson 4 Name Date Leveled Problem Solving Multiply Equals by Equals CA Standards AF 2.0 AF 2.2, Solve each problem. After the answer write an equation that helped you to get the answer. 1. Alex picked 8 apples and 2 pears from the orchard. Janet picked 4 apples. How many pears does she have to pick to have the same amount of fruit as Alex? 2. Jorge filled 2 bags with 4 peaches in each bag. Rod has only one bag. How many peaches must he put in his bag to equal Jorge’s number of peaches? 3. A farmer had six baskets of pears. Each basket held 15 pears. He lost one of the baskets when it fell off his tractor. How many pears does he now have? 4. Hector has 3 apple trees in his yard. Each tree has 50 apples. Jill has 5 apple trees in her yard. How many apples must each tree in Jill’s yard have to match the number of apples Hector has? 5. Ling bought 8 oranges and ate 2 of them. Carl bought twice as many oranges as Ling. How many oranges must he eat to have the same number of oranges as Ling? 6. Ben picked 6 baskets of avocados. Each basket held 30 avocados. 40 avocados were bad and had to be thrown away. Thad picked 5 baskets and 10 were bad. He had the same number of avocados as Ben. How many avocados did he have in each basket? Leveled Problem Solving 7–27 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_PS.indd 7–27 11/30/07 4:36:47 AM Name Chapter 7, Lesson 4 Homework Date Multipy Equals by Equals CA Standards AF 2.0 AF 2.2, Will the equation 3 × 6 = 2 × 9 still be true if both sides are multiplied by 5? Step 1 Simplify both sides of the equation. 3×6 = 2×9 18 = 18 Step 2 Rewrite the equation multiplying each side by 5. 18 × 5 = 18 × 5 90 = Step 3 90 Note that both sides are equal as they were before. Solution: The equation 3 × 6 = 2 × 9 remains true if both sides are multiplied by 5. Copy and complete. 1. 5 × (2 + 1) = 5 × 2. (6 - 2) × 3. 4 + (9 - 2) = 4 + 4. 12 × 2 + 5 = 12 + 12 + 5. (8 ÷ )×3=4×3 6. 7. 4×( + 2) = 4 × 8 8. 4QJSBM3FWJFX 9. =4×9 + (6 × 7) = 8 + 42 7 × (20 ÷ 5) = 7 × (Chapter 6, Lesson 4) KEY NS 3.0, MR 2.3 Divide. Then check your answer. 18 ÷ 6 = 10. Find the missing number. 21 ÷ 11. =3 Jake has 15 apples. He gave one third of the apples to Judy. How many apples did he give her? Homework 7–28 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_HMWK.indd 7–28 11/30/07 4:37:11 AM Name Date Chapter 7, Lesson 5 Daily Routines Problem Solving: Write an Expression Problem of the Day AF 2.0 Write all the pairs of numbers that can be written in the blanks below to make the equation true. 6 × (14 + 7) = 21 × (___ + ___) Number Sense KEY NS 1.2 What place value would you need to change to make 539,138 greater than 540,502? Word of the Day MR 2.3 operation Which numerical operation do you use most often during a day? Give some examples of how you use it. Facts Practice KEY NS 1.1 Write each number in standard form. 1. 40,000 + 5,000 + 90 + 8 2. 100,000 + 7,000 + 500 + 80 + 2 3. 10,000 + 6,000 + 20 4. 2,000,000 + 300,000 + 8,000 + 800 + 30 + 1 5. 5,000,000 + 300,000 + 90,000 + 4 6. 3,000,000 + 7,000 + 600 + 40 + 3 Daily Routines 7–29 Use with Chapter 7, Lesson 5 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–29 11/30/07 4:25:29 AM Name Chapter 7, Lesson 5 Reteach Date Problem Solving: Write an Expression CA Standard AF 1.3 MR 2.4, Rusty has 6 pottery students. She gets paid $60 by the school to teach the class . The amount includes the student fees plus the cost to buy two packages of clay. If each student pays $8 to take the class, how much did the clay cost? Read It Look for the information you need to solve the problem. Organize It Write an expression. $60 amount Rusty received - (6 × $8) = fees paid by students $12 amount spent for clay Solve It First, do the operations inside the parentheses. Then, do the addition and subtraction in order from left to right. The clay cost $12 . Write an expression and solve each problem. 1. Gorge uses 2 pounds of clay to make a platter. He can make 8 platters a day. How much clay will he use if he makes platters for 7 days? 2. Samantha wants to buy a clay vase. She earns $3 an hour baby-sitting. She baby-sits 2 hours a week. A vase costs $18. How many weeks will Samantha have to save her earnings to have enough money to buy the vase? Writing Math What is the first operation you should do in this expression: $12 - (3 × $2)? Reteach 7–30 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_RET.indd 7–30 11/30/07 4:37:39 AM Name Chapter 7, Lesson 5 Practice Date Problem Solving: Write an Expression CA Standards AF 1.3 MR 2.4, Use the table for Problems 1–4. Write an equation to solve each problem. Ben’s Points Game Points 1 2 3 4 Total 8 12 6 18 44 1. In Game 4, Ben scored half of his team’s total points. How many points did his team score in Game 4? 2. Ben’s friend Jason scored 3 fewer points than Ben did in Game 1, and 2 fewer points than Ben in Game 2. How many total points did Jason score in Games 1 and 2? 3. Ben scored an equal amount of points in Games 5 and 6. Ben’s points in Game 5 equaled the total amount of points he scored in Games 3 and 4. How many total points did Ben score in Games 5 and 6? 4. Ben’s team, including Ben, scored a total of 141 points in the first four games. How many points did Ben’s teammates score in the first 4 games? Test Practice Circle the letter of the correct answer. 5. Martin is on Ben’s team. In Games 1 and 2 he scored half the points Ben did. In Game 3 he scored one more point than Ben, and in Game 4 he scored 0 points. Which expression will Martin use to find out how many points he scored in all four games? A (8 + 12) ÷ 2 + (6 + 1) B 12 + 8 ÷ 2 - 6 C (18 - 12) × 2 + (6 + 1) D 12 - 8 ÷ 2 + (6 + 1) Practice 7–31 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_PRAC.indd 7–31 11/30/07 4:38:09 AM Name Chapter 7, Lesson 5 Enrichment Date Problem Solving: Write an Expression CA Standards MR 2.4, AF 1.3 Work with a partner. Cut out the cards below. Arrange the cards to write expressions. Arrange every card to the left of the equal sign. Fill in the answer to the expression to the right of the equal sign. How many expressions can you write that have different answers? Make a list of the completed expressions. ( ( 16 ) 2 4 8 16 + ÷ × = ) + 2 ÷ 4 × 8 = Example: (16 ÷ 4) + 8 × 2 = 20 Writing Math Akira wrote this expression: (2 × 16 + 4) ÷ 8 =. He says the answer is 2 R6. What did he do wrong? What is the correct answer? Enrichment 7–32 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_ENR.indd 7–32 11/30/07 4:38:34 AM Chapter 7, Lesson 5 Name Date Leveled Problem Solving Problem Solving: Write an Expression CA Standards AF 1.3 MR 2.4, Write an equation to solve each problem. 1. Mandy has 9 coins. The coins are quarters, dimes, and nickels. She has 2 quarters and 5 nickels. How many dimes does Mandy have? 2. Annie has 16 coins. The value of the coins totals 50 cents. She has 10 pennies and 2 dimes. The rest of the coins are nickels. How many nickels does she have? 3. Mandy has $37. She has 2 one-dollar bills and 1 ten-dollar bill. The rest are five-dollar bills. How many five-dollar bills does she have? 4. Annie had $38. She bought 3 CDs and a book. She had $4 left over. If the CDs cost $9 each, what did the book cost? 5. Teri bought 3 T-shirts and 2 pairs of socks. She paid a total of $30. If the socks were $3 a pair, how much was each T-shirt? 6. Meredith bought 4 notebooks that cost $2 a piece. She also bought 3 packs of pencils for $6 total. She had a $3 off coupon for purchases of $10 or more. How much did she spend on school supplies? Leveled Problem Solving 7–33 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_PS.indd 7–33 11/30/07 4:39:01 AM Name Chapter 7, Lesson 5 Homework Date Problem Solving: Write an Expression CA Standards AF 1.3 MR 2.4, Write an expression to solve each problem. Read It Look for information. Mr. Henderson bought 5 cups and 5 saucers. His total purchase cost $50. If each saucer cost $2, how much did he pay for each cup? Organize It Write an expression to solve the problem. ($50 total purchase 5 × $2) cost of saucers ÷ 5 = number of cups cost of each cup Solve It First, do the operations inside the parentheses. Do the multiplication and division in order from left to right. Then, do the addition and subtraction in order from left to right. Finally, do the operations outside the parentheses in the same order. Each cup cost 1. Mrs. Henderson bought 18 pieces of pottery. She bought 11 mugs, 4 bowls, and some plates. How many plates did she buy? 2. She also bought 3 hand mirrors, 2 spoon rests, and 5 toothbrush holders to give as gifts to her friends. The hand mirrors cost $5 each. The spoon rests cost $2 each. Altogether, she spent $34 on the gifts. How much did the 5 toothbrush holders cost? 4QJSBM3FWJFX (Chapter 6, Lesson 5) KEY NS 3.2 Divide. Then check your answer. 3. 5. 17 ÷ 3 = 4. 126 ÷ 10 = Margie wants to ship 40 mugs. Each shipping carton holds 12 mugs. How many full cartons will she have? How many mugs will be left over? Homework 7–34 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_HMWK.indd 7–34 11/30/07 4:39:25 AM Name Chapter 7 Test Date Chapter 7 Test Circle the letter of the correct answer. 1 3 Use the order of operations to solve the following expression: Ricardo, Lee, and Jessica collect baseball cards. Ricardo has 8 cards. Lee and Jessica have 5 cards each. 2 × (5 + 3) - 6 2 A 1 B 4 C 7 D 10 How many cards do they have altogether? Which equation below is true? A 12 - 6 ÷ 2 + 4 = 7 B (12 - 6) ÷ 2 + 4 = 7 C 12 - 6 ÷ (2 + 4) = 7 D (12 - 6) ÷ (2 + 4) = 7 Assessment Resources 4 4 A 8 B 13 C 18 D 23 Ricardo decides to give Lee and Jessica some of his 8 baseball cards. If he gives both Lee and Jessica 2 cards each, how many will he have left? A 4 B 5 C 6 D 7 7–35 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–35 11/30/07 4:40:20 AM Name 5 Chapter 7 Test Date Use the order of operations to solve the following expression: 8 Which value of equation true? 12 + 24 ÷ (6 - 2) 6 16 ÷ ( A 4 A =0 B 9 B =1 C 14 C =2 D 18 D =3 Luz and Tyler drink milk with their lunch. This week, Luz drank 3 more cartons of milk than Tyler. If Tyler number of cartons, how drank many did Luz drink? A 9 3 -3 B A 2 B 2× C 2+ ÷2 D +3 10 7 Evaluate the expression for ( + 1) × 6 Evaluate the expression for = 4: 2 × (3 + A 36 A 5 B 30 B 6 C 24 C 11 D 10 D 16 Assessment Resources 4 - 1) = 16 Hiro has twice as many sisters number of as Leon. Leon has sisters. How many sisters does Hiro have? C D makes the = 5: ) 7–36 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–36 11/30/07 4:40:36 AM Name 11 Solve the equation. 3× 12 A =3 B =6 C = 10 D = 27 14 = 11 - 2 Three fourth-grade classes donate the same number of cans to a food pantry. Altogether, the three classes gave the food pantry 33 cans. How many cans did each class give? Which symbol belongs in the oval? 24 - 6 2+9 A 11 A = B 22 B < C 33 C > D 99 D ≤ 15 13 Chapter 7 Test Date Otis practiced the piano for 10 minutes. Elizabeth practiced more than twice as many minutes as Otis. Which equation or inequality shows how many minutes Elizabeth practiced? Ayita and Manuel worked at a car wash. Ayita washed 1 more car than Manuel. Manuel washed 4 cars. How many cars did Ayita wash? A 1 B 3 A 10 × 2 < C 4 B 10 × 2 = D 5 C 10 ÷ 2 > D 10 ÷ 2 = Assessment Resources 4 7–37 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–37 11/30/07 4:41:03 AM Name 16 Solve the equation. A =1 Sarah has 2 more pets than Camilla. Altogether, Sarah and Camilla have 6 pets. How many pets does Camilla have? B =3 A 2 C = 14 B 4 D = 28 C 5 D 6 7× 17 19 = 3 + 18 Solve the equation. ÷4=2×4 18 Chapter 7 Test Date A = 32 B = 12 C =4 D =2 20 Jae Ho bought 5 tickets to the movies. Hector is taking 4 bags with him to his aunt’s house. He can fit 5 shirts in each bag. How many shirts can he take with him to his aunt’s house? A 9 B 16 C 20 D 25 They were 7 dollars each. Which expression below shows how much it cost for all 5 tickets? A 7-5 B 7+5 C 7×5 D 7÷5 Assessment Resources 4 7–38 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–38 11/30/07 4:41:19 AM Name Date Chapter Test 7 Individual Student Record Form Chapter Test 7 Use the chapter test to identify your students’ mastery of the skills in the chapter. The item analysis below will help you recognize strengths and weaknesses. Record Correct Answer Student Response the student’s response in the column to the right of the correct answer. California State Standards 1. D 4AF1.2 Interpret and evaluate mathematical expressions that now use parentheses. 2. B 4AF1.2 3. C 4AF1.0 4. A 4AF1.0 5. D 4AF1.2 Interpret and evaluate mathematical expressions that now use parentheses. 6. D 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 7. B 4AF1.1 8. C 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 9. B 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 10. D 4AF1.1 11. A 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 12. C 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 13. A 4AF2.0 Students know how to manipulate equations. 14. A 4AF2.0 15. D 4AF2.0 16. B 4AF2.0 17. A 4AF2.0 18. C 4MR2.2 19. A 4MR2.2 20. C 4MR2.2 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. Apply strategies and results from simpler problems to more complex problems. out of 20 7–39 Copyright © Houghton Mifflin Company. All rights reserved. 73784_IRF_C7_CT.indd 7–39 11/30/07 4:41:55 AM Teacher Name Date Chapter 7 Test Class Record Form Chapter Test 7 Use the chapter test to identify your students’ mastery of the California Mathematics Contents Standards in the chapter. Item The record below will allow you to group students for differentiated instruction. California Mathematics Contents Standards 1. 4AF1.2 2. 4AF1.2 3. 4AF1.0 4. 4AF1.0 5. 4AF1.2 Interpret and evaluate mathematical expressions that now use parentheses. 6. 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 7. 4AF1.1 8. 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 9. 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 10. 4AF1.1 11. 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 12. 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 13. 4AF2.0 Students know how to manipulate equations. 14. 4AF2.0 15. 4AF2.0 16. 4AF2.0 17. 4AF2.0 18. 19. 4MR2.2 Apply strategies and results from simpler problems to more complex problems. 4MR2.2 20. 4MR2.2 Groups for differentiated instruction Interpret and evaluate mathematical expressions that now use parentheses. Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 7–40 Copyright © Houghton Mifflin Company. All rights reserved. 73784_U3_C7_CRF_CT.indd 7–40 11/30/07 4:42:21 AM Name Unit 3 Test Date Unit 3 Test Circle the letter of the correct answer. 1 2 3 Susan invited 12 of her friends to her birthday party. Each friend gave her one birthday gift. If Susan decided to share her gifts equally among her 12 friends, how many gifts does each friend receive? Which of the following equations is related to the equation below? 7 × 9 = 63 A 63 ÷ 1 = 63 B 63 ÷ 9 = 7 A 1 C 63 ÷ 9 = 9 B 3 D 63 ÷ 7 = 7 C 4 D 6 4 If 3 × 5 = 15, what is 15 ÷ 3? A B C D 3 Between Monday and Friday, Fernando picks 3 flowers from his garden each day. He has 3 friends and divides his flowers equally among them. How many flowers does each friend receive? A 3 B 4 C 5 D 6 5 4 15 Assessment Resources 4 7–41 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–41 12/9/07 11:19:55 PM Name 5 Unit 3 Test Date Which of the following equations is related to 7 Using the associative property, rewrite the following expression. 3 × (6 × 7) 4 × 6 = 24? 6 A 24 ÷ 1 = 24 A 3 × (6 × 6) B 24 ÷ 6 = 4 B 6 × (3 + 7) C 24 ÷ 6 = 6 C (3 × 6) × 7 D 24 ÷ 4 = 4 D 6×7 What is any number multiplied by 0? 8 What is 6 ÷ 0? A 0 A 0 B 1 B 1 C 10 C 9 D The original number D not possible Assessment Resources 4 7–42 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–42 11/30/07 4:47:51 AM Name 9 10 Unit 3 Test Date Aretha has 48 balls that she puts into 8 equal rows, 6 balls in a row. If Aretha wants to divide the 48 balls into 6 equal rows, how many balls would be in each row? A 6 B 8 C 10 D 12 Chen sorted his toy cars into groups of 5. He recorded the groups using tally marks. 11 12 What is the total number of toy cars? Gloria is using tally marks to help her multiply 5 × 9. What was her answer? A 9 B 5 C 45 D 50 Marco divides his box of 25 pears among 4 friends. How many pears does each friend get? A 4 B 6 A 6 C 6 B 5 D 7 C 20 D 25 Assessment Resources 4 7–43 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–43 11/30/07 4:48:08 AM Name 13 What is 26 divided by 5? A 5 B 5 remainder 1 C D 14 16 Juan gives Anil and Percy some of his 12 football cards. He gives 3 cards to Anil and 2 to Percy. How many cards does Juan have left? A 5 B 6 C 7 D 8 5 remainder 2 6 Use the order of operations to solve the following expression. 4 × (6 + 3) - 4 A 23 B 28 C 30 D 15 Unit 3 Test Date 17 Tara and her sister want to see how far they can run in 20 minutes. Tara runs 3 miles and her sister runs less than half that distance. Which inequality or equation below shows this relationship? A ×2<3 B ×2=3 C + 3 = 20 D + 3 > 20 32 (7 + 5 + 4) × (3 + 2) = ? A 21 B 80 C 94 D 100 Assessment Resources 4 7–44 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–44 11/30/07 4:48:22 AM Name 18 Ling Na studies more than two hours a day, Monday through Friday. Which equation or inequality below shows her total study time for the week? 20 Solve the equation. 12 × = 36 B =3 C = 48 D =8 =2×5 B =5+2 C >5+2 D = 40 − 4 A >2×5 A 19 Unit 3 Test Date Solve the equation. 8× = 32 A =8 B =4 C =1 D = 256 Assessment Resources 4 7–45 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–45 11/30/07 4:48:37 AM Name Date Unit 3 Test Individual Student Record Form Unit 3 Test Use the unit test to identify your students’ mastery of the skills in the unit. The item analysis below will help you recognize strengths and weaknesses. Correct Answer Student Response 1. A Record the student’s response in the column to the right of the correct answer. California State Standards 2. B 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole numbers and understand the relationships among the operations. 4NS3.0 3. B 4NS3.0 4. C 4NS3.0 5. B 4NS3.0 6. A 4NS3.0 7. C 4NS3.0 8. D 4NS3.0 9. B 4NS3.2 Demonstrate an understanding of, and the ability to use, standard algorithms for multiplying a multidigit number by a two-digit number and for dividing a multidigit 4NS3.2 number by a one-digit number; use relationships between them to simplify 4NS3.2 computations and to check results. 10. D 11. C 12. C 13. B 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole numbers and understand the relationships among the operations. 4NS3.0 14. D 4AF1.2 15. B 4AF1.2 16. C 4AF1.0 17. A 4AF1.0 18. A 4AF1.0 19. B 4AF2.0 20. B 4AF2.0 Interpret and evaluate mathematical expressions that now use parentheses. Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. Students know how to manipulate equations. out of 20 Assessment Resources 4 7–47 Copyright © Houghton Mifflin Company. All rights reserved. 73784_IRF_UT_U3.indd 7–47 11/30/07 4:56:15 AM Teacher Name Date Unit 3 Test Class Record Form Unit 3 Test Use the unit test to identify your students’ mastery of the California Mathematics Contents Standards in the unit. Item 1. The record below will allow you to group students for differentiated instruction. California Mathematics Contents Standards 3. 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole 4NS3.0 numbers and understand the relationships 4NS3.0 among the operations. 4. 4NS3.0 5. 4NS3.0 6. 4NS3.0 7. 4NS3.0 8. 4NS3.0 9. 4NS3.2 Demonstrate an understanding of, and the ability to use, standard algorithms for multiplying a 4NS3.2 multidigit number by a two-digit number and 4NS3.2 for dividing a multidigit number by a one-digit number; use relationships between them to simplify computations and to check results. 2. 10. 11. 12. 13. 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole 4NS3.0 numbers and understand the relationships among the operations. 14. 4AF1.2 15. 4AF1.2 16. 4AF1.0 17. 4AF1.0 18. 4AF1.0 19. 4AF2.0 20. 4AF2.0 Groups for differentiated instruction Interpret and evaluate mathematical expressions that now use parentheses. Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. Students know how to manipulate equations. Assessment Resources 4 7–48 Copyright © Houghton Mifflin Company. All rights reserved. 73784_U3_CRF_UT.indd 7–48 11/30/07 4:56:51 AM Chapter Resources Grade 4, Chapter 7 Contents Resources for Chapter 7: More Expressions and Equations • Lesson Quizzes Lessons 7.1–7.5 Daily Routines Reteach Practice Enrichment Leveled Problem Solving Homework • Chapter 7 Test Individual and Class Record Sheets • Unit 3 Test Individual and Class Record Sheets B Copyright © by Houghton Mifflin Company. All rights reserved. Permission is hereby granted to teachers to reprint or photocopy classroom quantities of the pages or sheets in this work that carry the Houghton Mifflin copyright notice. These pages are designed to be reproduced by teachers for use in their classes with accompanying Houghton Mifflin material, provided each copy made shows the copyright notice. Such copies may not be sold, and further distribution is expressly prohibited. Except as authorized above, prior written permission must be obtained from Houghton Mifflin Company to reproduce or transmit this work or portions thereof in any form or by any electronic or mechanical means, including any information storage or retrieval system, unless expressly permitted by federal copyright law. Address inquiries to School Permissions, 222 Berkeley Street, Boston, MA 02116. Printed in the U.S.A. Booklet 7 of 29 TTL_73744_U3_C07.indd 7–1 7–1 2/1/08 3:05:54 PM Name Date Chapter 7, Lesson 1 Lesson Quiz Lesson 1 Quiz What do you do first when evaluating each expression? 1. 5-8÷2 2. 6×3+4 3. 7 × (5 + 3) ÷ 2 4. 4 + 8 × 3 - 10 Lesson Quiz Use with Chapter 7, Lesson 1 Copyright © Houghton Mifflin Company. All rights reserved. Name Date Chapter 7, Lesson 2 Lesson Quiz Lesson 2 Quiz Simplify. 1. 12 ÷ 6 + 3 × 7 2. 5 × (10 - 2) - 5 Solve. 3. 4. Use parentheses to change the value of 3 × 4 + 2. Use the numbers 1, 2, and 3 and the operations of subtraction and division to write an expression. Find its value. Lesson Quiz 7–2 Use with Chapter 7, Lesson 2 Copyright © Houghton Mifflin Company. All rights reserved. CAPEG4_C07_LessonQuiz.indd 7–2 2/6/08 8:29:38 PM Name Date Chapter 7, Lesson 3 Lesson Quiz Lesson 3 Quiz Complete. Use >, <, or =. 1. 2+6×5 2. (4 + 7) + 5 3 × (10 - 1) 10 + 18 ÷ 3 Lesson Quiz Use with Chapter 7, Lesson 3 Copyright © Houghton Mifflin Company. All rights reserved. Name Date Chapter 7, Lesson 4 Lesson Quiz Lesson 4 Quiz Find the missing number that makes each equation true. 1. (4 + 6) × 7 = 2. 8×( ×7 - 2) = 5 × 8 Lesson Quiz 7–3 Use with Chapter 7, Lesson 4 Copyright © Houghton Mifflin Company. All rights reserved. CAPEG4_C07_LessonQuiz.indd 7–3 2/6/08 8:29:53 PM Name Date Chapter 7, Lesson 5 Lesson Quiz Lesson 5 Quiz Tickets to the play are $8 for adults and $5 for children. Write an expression for each situation. 1. 4 adult tickets and 2 children’s tickets 2. How much change do you get from $30 if you buy 3 adult tickets? 3. If you have $38 and buy 1 adult ticket, how many children’s tickets can you get? 4. Evaluate the expressions you wrote for Exercises 1–3. Lesson Quiz Use with Chapter 7, Lesson 5 Copyright © Houghton Mifflin Company. All rights reserved. Lesson Quiz 7–4 Copyright © Houghton Mifflin Company. All rights reserved. CAPEG4_C07_LessonQuiz.indd 7–4 2/6/08 8:30:09 PM Name Chapter 7, Lesson 1 Daily Routines Date Hands On: Expressions with All Four Operations Problem of the Day KEY NS 3.0 Tran earns $7 an hour working at the pet store. How much money would Tran make if he works 4 hours? Number Sense KEY NS 3.0 On your whiteboard, write two multiplication and division fact families which include the number 6. Word of the Day AF 1.0 properties How are the properties for addition and multiplication similar? How are they different? Facts Practice KEY AF 1.3 Add parentheses to make the value of each expression equal to 8. 1. 12 - 7 + 3 2. 20 - 4 + 8 4. 18 - 13 + 3 5. 11 - 1 + 2 Daily Routines 7–5 3. 10 - 1 + 1 Use with Chapter 7, Lesson 1 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–5 11/30/07 4:24:03 AM Name Chapter 7, Lesson 1 Reteach Date Hands On: Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 What is the value of 6 + 4 ÷ (2 - 1)? Step 1 Do the operation inside the parentheses first. (2 - 1) = 1 Step 2 Then divide in order from left to right. 4÷1=4 Step 3 Last do the addition from left to right. 6 + 4 = 10 Solution: The value of 6 + 4 ÷ (2 - 1) is 10. Use the numbers and operation symbols below to make an expression with the value of 7. Remember to follow the order of operations. 1. 3, 2, 1, +, × 2×3+1 2. 1, 2, 16, ÷, - 16 ÷ 2 - 1 Using each set of parentheses, solve each expression to get three different values. 3. (4 + 8) ÷ 2 × 3 - 1 = 5. 4 + 8 ÷ 2 × (3 - 1) = 17 12 4. 4 + (8 ÷ 2) × 3 - 1 = 15 Writing Math Why do you think parentheses were not placed around the 2 and 3 in problems 3, 4, and 5? Explain. Possible answer: The number 6 cannot be divided into 8 and have an answer that is a whole number. Reteach 7–6 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_RET.indd 7–6 11/30/07 4:26:01 AM Name Date Hands On: Expressions with All Four Operations Chapter 7, Lesson 1 Practice CA Standards AF 1.3 AF 1.2, Use the numbers and operation symbols below to make an expression with the value of 4. Remember to follow the order of operations. 1. 6 2 × 1 - 6-1×2 2. 8 2 ÷ 0 + 8÷2+0 3. 1 2 4 2 × - 12 - 4 × 2 Write the expression shown below three times. Add one set of parentheses to each expression to get three different values. 6+4÷2×6-3 (6 + 4) ÷ 2 × 6 - 3 = 27 6 + (4 ÷ 2) × 6 - 3 = 15 5. 6. 6 + 4 ÷ 2 × (6 - 3) = 12 4. Writing Math Which expression from problems 4–6 has the same value as the expression without parentheses? Tell the order of the operations you did to get the same answer. Problem 5 has the same value, 15. I did the division first, then the multiplication and then, working from the left to right, the addition and subtraction. Practice 7–7 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_PRAC.indd 7–7 11/30/07 4:26:30 AM Name Chapter 7, Lesson 1 Enrichment Date Solving Expressions CA Standards AF 1.2, AF 1.3 Find the value of each equation. Then use the values you found to answer the riddle below by filling in the blanks with the appropriate letters. Riddle: Why was the zero so sad? 21 2 3. 4 + 8 ÷ (2 × 4) - 3 = 15 5. (10 - 3) × 2 + 1 = 1 7. 10 - 3 × (2 + 1) = 3 9. 12 - (5 + 4) = 17 8 4. 4 + 8 ÷ 2 × (4 - 3) = 5 6. 10 - (3 × 2) + 1 = 8. (12 - 5) + 4 = 11 (4 + 8) ÷ 2 × 4 - 3 = 1. 2. 4 + (8 ÷ 2) × 4 - 3 = 5=H 15 = 0 1=V 21 = N 17 = D 2=U 8=L 11 = E 3=A 10. HE HAD NO VALUE ANSWER: __ ___ __ __ ___ ___ ___ __ __ __ __ ___ 5 11 5 3 17 21 15 1 3 8 2 11 Writing Math Sam worked out the expression 10 - 2 × 5 and got an answer of 40. Is he correct? Explain. Possible answer: No, he should have done the multiplication first and then the subtraction. Enrichment 7–8 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_ENR.indd 7–8 11/30/07 4:27:35 AM Chapter 7, Lesson 1 Name Leveled Problem Solving Date Hands On: Expressions with All Four Operations CA Standard AF 1.2, AF 1.3 Solve each problem. Write an equation to get your answer. Remember that information from one problem will help you solve the next one. 1. John’s family had an open house party on New Year’s Day. 4 guests came at noon. Ten minutes later, 2 more guests arrived. At 12:30, one guest left. How many guests remained at the party? 2. 4+2-1=5 3. I 5+6-4=7 Over the next hour, the number of guests at the party tripled. Then, Mr. and Mrs. Ortiz and their three children left to go to another party. How many guests were left? 4. By 2:30, half of the remaining guests had left. Then John’s friends Gail, Bob, and Bob’s cousin arrived and gave the party a needed lift. What was the guest count now? Level II 16 ÷ 2 + 3 = 11 7 × 3 - 5 = 16 5. At 12:40, 6 more guests arrived at John’s house. Then 2 couples left. How many guests are there now at the party? Level Bob and his cousin left at 4:15 and five minutes later John’s Uncle Art, Aunt Louise, and their 4 children arrived, apologizing for being so late. Shortly after, 3 more couples left. How many guests are still at the party? 11 - 2 + 6 - 6 = 9 6. After the other guests had gone, John’s father invited Uncle Art and his family to stay for the night. They gratefully accepted. If John has two sisters besides his parents, how many people slept that night at his house? Level III 6 + 5 = 11 Leveled Problem Solving 7–9 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_PS.indd 7–9 11/30/07 4:28:10 AM Name Date Hands On: Expressions with All Four Operations Chapter 7, Lesson 1 Homework CA Standards AF 1.2, AF 1.3 What is the value of 16 - 10 ÷ 2 × 3? Step 1 Follow the order of operations. Evaluate 10 ÷ 2 using number tiles. 1 - 6 × 5 3 Step 2 Now do the multiplication in the expression. Use the tiles to replace 5 × 3. 1 - 6 1 5 Step 3 Finish by doing the subtraction in the expression. 16 - 15 = 1 Solution: The value of 16 - 10 ÷ 2 × 3 is 1. Use the numbers and operation symbols below to make an expression with the value of 6. Remember to follow the order of operations. 1. 1 2 3 × 2 - 12 - 2 × 3 2. 1 4 1 6 ÷ 2 - 14 - 16 ÷ 2 3. 2 2 2 + × 2+2×2 4QJSBM3FWJFX (Chapter 5, Lesson 3) KEY AF 1.2, AF 1.0 Use the numbers and symbols below to make each equation true . 4, 3, =, > 4. 8- 5. 10 - 6. ×2 ÷2 2 3 6-3×1 5-4+2 Molly has the equation 2 × 3 + 6 - 5 = 13. Where should she put parentheses to make this equation correct? She should put them around 3 + 6. Homework 7–10 Use with text pages 142–143. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L1_HMWK.indd 7–10 11/30/07 4:28:44 AM Name Chapter 7, Lesson 2 Daily Routines Date Hands On: Expressions with All Four Operations Problem of the Day KEY AF 1.2 Explain each step in solving the problem shown below. (7 + 8) ÷ 3 × 4 – 2 Number Sense KEY NS 3.1 Write and solve a subtraction problem in which the thousands need to be regrouped as hundreds and the tens need to be regrouped as ones. Number of the Day KEY NS 3.0 12 Write all the ways 12 can be the answer to a multiplication problem. Facts Practice KEY NS 1.1 Write each number in word form. 1. 54,291 4. 10,800,450 Daily Routines 2. 5 320,670 3. 759,781 553,781,000 7–11 Use with Chapter 7, Lesson 2 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–11 11/30/07 4:24:25 AM Name Chapter 7, Lesson 2 Reteach Date Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Find 48 ÷ (3 × 4) + 2. Step 1 Do the operations in parentheses first. 48 ÷ (3 × 4) + 2 Step 2 Multiply and divide from left to right. Step 3 Add and subtract from left to right. 48 ÷ 12 + 2 4+2=6 Think: (3 × 4) = 12 Think: 48 ÷ 12 = 4 48 ÷ 12 + 2 4+2 Solution: 48 ÷ (3 × 4) + 2 = 6 Simplify each expression. Follow the order of operations. 1. (3 + 6) × 8 2. 24 ÷ (2 × 2) 3. (4 + 8) ÷ 3 6. 6 72 4. 12 × 3 + (8 - 4) 5. 40 7. 4 × 3 + 12 (3 × 9) - 8 19 15 ÷ (5 × 3) 4 8. 24 3×9+2×6 1 9. 5 × (49 ÷ 7) 35 39 Write an expression for each situation. 10. The sum of 8 and the product of 5 and 3 (5 × 3) + 8 11. 8 times the difference of 15 and 6 12. 8 × (15 - 6) 9 more than 36 divided by 6 (36 ÷ 6) + 9 Writing Math Lila and Frank evaluated the expression 7 × 4 ÷ 2 + 5. Lila got 4 and Frank got 19. Explain what they each did to get their answer. Lila put parentheses around the first set of numbers and another around the second set. Frank put parentheses around the middle numbers. Reteach 7–12 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_RET.indd 7–12 11/30/07 4:29:13 AM Name Chapter 7, Lesson 2 Practice Date Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Simplify each expression. Follow the order of operations. 1. (6 + 3) × 4 2. 8 + (5 × 3) 5. 7 + (6 × 3) - 10 8. 23 7. 9 - (21 ÷ 7) 6. 30 - (3 × 3) + 4 9. 11. 18 + 9 × 7 - 13 12. 19 68 3 × (12 - 8) 12 25 6+5×4-7 (15 + 3) ÷ 6 3 6 15 10. 3. 12 36 4. (7 - 5) × 6 (18 - 3) ÷ 5 3 5 × (6 + 3) × 2 90 Write an expression for each situation. 21 + (8 × 7) (6 × 9) + 73 14. 73 more than 6 times 9 15. 3 fewer than 42 divided by 7 (42 ÷ 7) - 3 13. the sum of 21 and the product of 8 and 7 Test Practice Circle the letter of the correct answer. 16. 17. 18. Karen owns 3 guitars that have 6 strings each and 2 mandolins that have 8 strings each. How many strings do her instruments have in all? A 34 C 19 B 36 D 5 There are 30 students in the classroom. If three groups of 4 students leave the room, how many students are left? A 26 C 12 B 18 D 20 David owns 4 guitars with 6 strings each and a guitar with 4 main strings and 22 special resonating strings. How would you find how may strings his instruments have in all? First, I’d multiply 4 × 6 and add it to the addition problem 4 + 22. Practice 7–13 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_PRAC.indd 7–13 11/30/07 4:29:36 AM Name Chapter 7, Lesson 2 Enrichment Date Finding the Lowest Point CA Standards AF 1.2, AF 1.3 Below is a table showing the lowest point on six continents. Use the information to help you solve each problem. The World’s Lowest Points Continent Asia Africa North America South America Europe Australia Lowest Point Location Dead Sea Lake Assal Death Valley Valdes Peninsula Caspian Sea Lake Eyre Feet Below Sea Level Israel–Jordan Djibouti California Argentina Russia–Kazakhstan South Australia 1,348 512 282 131 92 52 Simplify each expression and write the lowest point it represents. 512; Lake Assal 131; Valdes Peninsula 2. 300 - 200 + 5 × 6 + 1 1,348; Dead Sea 3. 300 + 2 × 500 + 9 × 4 + 12 1. 2 × 200 + 5 × 20 + 24 ÷ 2 Solve each problem using a number sentence. 4. Irina lives at half the elevation of the Caspian Sea. Her house is 20 feet high. If she stands on her roof, how far below sea level is she? 92 ÷ 2 - 20 = 26 feet 5. Allen drove halfway out of Death Valley, then he stopped after another 50 feet to take a drink from his water bottle. How far below sea level is he? 282 ÷ 2 - 50 = 91 feet 6. Corey visited Lake Eyre and then walked up a hill 82 feet above sea level. How many feet in elevation has he traveled? 52 + 82 = 134 feet Writing Math Connie did problem 4 above and got an answer of 66 feet. What did she do wrong? Explain. Possible answer: Connie added 20 feet instead of subtracting it from the elevation of the house. Enrichment 7–14 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_ENR.indd 7–14 11/30/07 4:31:06 AM Chapter 7, Lesson 2 Name Date Leveled Problem Solving Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Write and evaluate an expression to solve each problem. 1. Hillary likes to take photographs with her camera. She took 40 pictures one week. She took twice as many the following week. How many pictures did she take in the two weeks? 2. (25 × 4) + (20 × 3); 160 photos 40 + (2 × 40); 120 pictures 3. José took 3 rolls of film with him on the class field trip. Each rolls contains 36 pictures. He used up 2 rolls. There were 10 pictures left on the third roll when he got home. How many pictures of the class trip did José take? 4. Brad took the photos at his aunt’s wedding. He took 22 pictures before the wedding, half as many during the wedding, and twice as many pictures after the wedding. How many wedding pictures did Brad take in all? Level 22 + 22 + __ 2 (36 × 2) + (36 - 10) or (36 × 3) - 10; 98 pictures 5. Vic puts his photos in albums. He has 1 album of 25 pages. There are 4 photos on each page. He also has a 20-page album with 3 photos on each page. How many photos does he have in the two albums? Level I II (22 × 2); 77 pictures Lien went to the store to buy a new camera. The camera cost $86. She also bought 2 rolls of film that cost $5 each. She paid for her purchases with a $100 bill. What change did she receive back? 6. 100 - 86 - (2 × 5); $4 Maria takes pictures in both black and white and color. She took 47 black and white pictures one day and 6 more than that in color. The same day, Teresa took 34 pictures in black and white and half as many in color. How many pictures did they both take that day? Level III 47 + (47 + 6) + 34 + 34 __ ; 151 pictures 2 Leveled Problem Solving 7–15 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_PS.indd 7–15 1/27/08 10:29:44 AM Name Chapter 7, Lesson 2 Homework Date Expressions with All Four Operations CA Standards AF 1.2, AF 1.3 Evaluate 7 + (12 ÷ 3 ) × 5 Step 1 7 + (12 ÷ 3 ) × 5 Simplify inside parentheses. Step 2 7 + 4 × 5 Multiply and divide from left to right. Step 3 7 + 20 Add and subtract from left to right. Solution: The value of 7 + (12 ÷ 3 ) × 5 is 27. Simplify each expression. Follow the order of operations. 1. (7 + 8) × 2 2. 25 + (4 × 5) - 15 5. 30 4. (12 - 7) × 8 3. 70 - (8 × 5) ÷ 10 6. 40 30 66 (9 + 7) ÷ 8 2 (28 - 4) ÷ 3 8 Write an expression for each situation. 8 × 6 - 38 25 ÷ 5 + 22 8. 22 more than 25 divided by 5 4 × (20 + 46) - 159 9. 159 fewer than 4 times the sum of 20 and 46 7. 38 fewer than 8 times 6 4QJSBM3FWJFX 10. (Chapter 4, Lesson 3) KEY NS 3.1, KEY NS 3.0 Subtract. Use addition to check your answer. 1,609 5,291 - 3,682 = 11. Use inverse operations to find the missing number. 206 + 12. 183 = 389 Ted had 500 bottle caps in his collection. Jan had 174 bottle caps in her collection. How many more bottle caps does Ted have than Jan? 326 more bottle caps Homework 7–16 Use with text pages 144–146. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L2_HMWK.indd 7–16 11/30/07 4:32:05 AM Name Chapter 7, Lesson 3 Daily Routines Date Equations and Inequalities with All Four Operations Problem of the Day KEY AF 1.3 Write an expression to represent the phrase given below. Then solve the expression. Seven less than three times the sum of 5 and 4. Number Sense KEY NS 1.31 On your whiteboard write 3 different numbers which round to 91,000. Number of the Day KEY NS 1.11 45 What are some ways to show 45? Facts Practice KEY NS 3.11 Find each sum. 1. 648 + 827 2. 859 + 61 + 571 3. 1,958 + 487 4. 4,782 + 8,391 5. 40,549 + 281,391 6. 200,391 + 589,891 Daily Routines 7–17 Use with Chapter 7, Lesson 3 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–17 11/30/07 4:24:46 AM Name Chapter 7, Lesson 3 Reteach Date Equations and Inequalities with All Four Operations CA Standard AF 1.0 Phil bought 6 used books at the library sale. Willa bought twice as many books as Phil. Write a number sentence that compares the number of books each bought. Step 1 Write an expression for the books bought by each person. Phil’s books Willa’s books 6 6×2 Step 2 Compare the two expressions, using =, <, or >. 6<6×2 Solution: 6 < 12 Copy and complete. Use >, <, or =. 1. 2 × 11 + 6 × 1 3. 50 ÷ 5 - 2 5. 92 + (16 ÷ 4) = < 46 + 37 80 ÷ 10 > 99 - (2 × 4) Write +, -, ×, or ÷ in each × 6 9. 8 ÷ 2 + 12 = 4 × 3 11. 90 ÷ + 42 - 8 + 16 = (2 × 5) × 5 4. 31 + (2 × 7) < 74 - 22 > 20 ÷ 5 16 6. ___ 2 - (2 + 1) to make each number sentence true. 2+8=2×8+4 7. 2. 4 2 + 10 = 15 + 8 × 5 14 8. ___ 2 10. 12. × 3 = 23 56 ÷ 8 + 8 36 - __ =8 2 - 2 30 = 6 × 6 + 1 × (2 + 2) Writing Math Hank looked at problem 12 and knew before he added each side of the equation that the missing operation had to be a × or ÷. How did he know? Explain. Possible answer: The parentheses around 2 + 2 means that they have to performed before any other operation. If the earlier operation was addition or subtraction there would be no need for the parentheses. Reteach 7–18 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_RET.indd 7–18 11/30/07 4:32:29 AM Name Date Equations and Inequalities with All Four Operations Chapter 7, Lesson 3 Practice CA Standard AF 1.0 Copy and complete. Use >, <, or =. = 90 ÷ 3 2. 10 + 6 × 8 = 63 - 5 3. 81 ÷ 9 + 4 < 6 × 2 + 5 60 _ 4. -1 < 3+2×1 12 5. 86 > 13 × 4 + 28 6. 40 ÷ 5 × 2 > 30 - 18 7. 7 × 8 ÷ 2 < 4 × 8 + 6 8. 4 × 6 + 7 = 62 ÷ 2 1. 2×3×5 Write +, -, ×, or ÷ in each sentence true. 9. 3 × 4 = 20 to make each number -8 18 + 5=_ +4 3 11. 6 + 1 - 2 = 30 ÷ 5 - 1 12. 7 × 3 = 30 - 9 10. 5 Writing Math Roger changed one operation sign on each side of the equation in problem 1, in order to go from = to <. Was his math correct? What did he change the sign to? Accept all answers student can justify. Practice 7–19 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_PRAC.indd 7–19 11/30/07 4:32:56 AM Name Chapter 7, Lesson 3 Enrichment Date Comparing Populations CA Standard AF 1.0 Many Native Americans live in Western states. The table below shows the five states with the largest populations of Native Americans. Use the information to solve the problems. Native American Population 1. State Population California 410,510 Arizona 286,680 Oklahoma 278,124 New Mexico 183,972 Texas 145,954 Write an inequality that compares the number of Native Americans in California to those in Texas and Oklahoma combined. 410,510 < 145,954 + 278,124 2. How many more Native Americans would Oklahoma need to equal the number of Native Americans in Arizona? Write an equation for this comparison. 8,556; 286,680 = 278,124 + 8,556 3. Texas has 45,460 more Native Americans than the state of Alaska. How many Native Americans live in Alaska? Show your answer in an inequality. 100,494; 145,954 > 100,494 4. Arizona and New Mexico are neighboring states. Arizona has more Native Americans than New Mexico. How many more Native Americans live in Arizona than live in New Mexico? Write an inequality to show your answer. 102,708; 183,972 < 183,972 + 102,708 Writing Math Lynn wanted to find out which state’s Native American population was closest to half of the Native American population of California. How would she go about finding the answer? Explain. Possible answer: She would divide the California population in half and then find the state whose number of Native Americans is closest to that number. Enrichment 7–20 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_ENR.indd 7–20 11/30/07 4:33:43 AM Chapter 7, Lesson 3 Name Date Leveled Problem Solving Equations and Inequalities with All Four Operations CA Standard AF 1.0 Write equations or inequalities to solve the problems. 1. Bill went on 4 rides at the amusement park. Juanita went on twice as many rides as Bill did. Henry went on 4 more rides than Bill did. Compare how many rides Juanita went on to how many rides Henry went on. 2. 4×2=4+4 3. 2×2<2+4 The shooting gallery on the midway awarded 40 stuffed animals as prizes one week. The ring toss awarded 30 more stuffed animals than the shooting gallery. The softball throw presented patrons with twice as many stuffed animals than the shooting gallery. Compare the number of stuffed animals given by the ring toss to the number given by the softball throw. 4. 40 + 30 < 40 × 2 5. The concession booth sold 75 cotton candies one night at the amusement park. It also sold 3 times as many cups of lemonade. People bought 70 more bags of popcorn as they did cotton candies. Compare the number of cups of lemonade sold that evening to the number of bags of popcorn sold. Level II 75 × 3 > 75 + 70 One night 350 people visited the park’s haunted house. Half as many attended the magic show. 100 fewer people attended the fun house as the haunted house. Compare the number who attended the magic show to the number who went into the fun house. 6. 350 ÷ 2 < 350 - 100 Leveled Problem Solving Each ride at the amusement park requires tickets. The merrygo-round costs 2 tickets. The Ferris wheel costs 2 times as many tickets. The roller coaster costs 4 more tickets than the merry-go-round. Compare how many tickets needed to ride the Ferris wheel to the number needed to ride the roller coaster. Level I 7–21 A total of 650 people came to the amusement park on Thursday night. 456 more admissions were recorded on Friday night. Three times as many patrons went to the park on Saturday night as on Thursday night. Compare the number of paid admissions on Friday night to those on Saturday night. Level III 650 + 456 < 650 × 3 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_PS.indd 7–21 11/30/07 4:34:19 AM Name Chapter 7, Lesson 3 Homework Date Equations and Inequalities with All Four Operations CA Standard AF 1.0 Ed read 9 books last summer. Angie read twice as many books as Ed. Hernando read 9 more books than Ed. In a number sentence, compare how many books Angie and Hernando read. Step 1 Write an expression for the number of books each person read. Books read by Angie Books read by Hernando 9×2 9+9 Step 2 Evaluate each. 9×2 9+9 18 18 Step 3 Compare the 2 evaluations. 9×2 = 9+9 18 = 18 Solution: 9 × 2 = 9 + 9 Copy and complete. Use >, <, or =. 1. (100 - 40) × 2 3. 8+7 5. 15 - (6 × 2) = = 100 + 20 1 × 15 < 4QJSBM3FWJFX (16 ÷ 4) + 1 2. 20 + (2 × 3) 4. (6 × 8) + 10 6. (70 ÷ 2) + 5 > < = 30 ÷ 2 40 ___ × (5 × 10) 10 (2 × 15) + 10 (Chapter 5, Lesson 4) KEY AF 1.2, KEY AF 2.0 Copy and complete. 7. 34 - 16 = 18 18 9. 8. = 18 What do you know about the value of the × 6 = × 6 (86 + 12) - 31= 34 + 33 98 - 31 = 67 = 67 67 and in this equation? They are equal. Homework 7–22 Use with text pages 148–150. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L3_HMWK.indd 7–22 11/30/07 4:34:50 AM Name Chapter 7, Lesson 4 Daily Routines Date Multiply Equals by Equals Problem of the Day KEY AF 1.3 James wrote a 4 page story. Latisha wrote 1 more than 3 times as many pages as James. Jorge wrote 7 more pages than James. Write a number sentence to compare the number of pages Latisha wrote to the number Jorge wrote. Number Sense KEY NS 3.0 Write 5 basic multiplication facts which involve the number 8. Word of the Day MR 3.3 remainder Give some examples of when you might have a remainder in real life. Facts Practice AF 1.0 Use multiplication properties and division rules to find each missing number. 1. 45 × 3 = 3 × ____ 2. (8 × 5) × 9 = 8 × (___ × 9) 3. ____ × 99 = 0 4. 113 × ____ = 113 5. 49 ÷ 49 = ____ 6. 0 ÷ 5 = ____ Daily Routines 7–23 Use with Chapter 7, Lesson 4 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–23 11/30/07 4:25:06 AM Name Chapter 7, Lesson 4 Reteach Date Multiply Equals by Equals CA Standards AF 2.0 AF 2.2, To keep equations true, you must do the same thing on both sides of the equation. Is 2 + (3 × 6) = 2 + 18 still equal if each side is multiplied by 4? Step 1 Simplify the original equation. Step 2 Multiply each side by 4. 2 + (3 × 6) = 2 + 18 20 × 4 = 20 × 4 2 + 18 = 20 80 = 80 20 = 20 Solution: Both sides of the equation are still equal. Copy and complete. 1. 2 × (9 + 2) = 2 × 12 3 3. 5. 7. 11 8 2. (6 - 4) × + (4 × 7) = 12 + 28 4. 3 × (50 ÷ 5) = 3 × × (6 × 8) = 3 × 48 6. 9×( 8. 2×9=2×( 6 × 36 = 6 × (6 × 6 ) 15 =2×8 10 ÷ 3) = 9 × 5 14 - 5) Writing Math Nick said the equation 10 × 2 = (5 × 2) + (1 + 1) is correct. Is he correct? Explain. Possible answer: He is incorrect, because while the numbers have the same value, on the left they are multiplied together and on the right they are added. Reteach 7–24 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_RET.indd 7–24 11/30/07 4:35:16 AM Name Date Multiply Equals by Equals Chapter 7, Lesson 4 Practice CA Standards AF 2.0 AF 2.2, Copy and complete. 5 1. (4 + 6) × = 10 × 5 2. 30 - (3 × 9) = 30 - 3. 32 4. 12 × ( 5. 7 × (24 ÷ 3) = 7 × 4 6. 27 ÷ 8 + 11 = 4 + 11 6 - 3) = 12 × 3 8 × (6 × 7) = 4 × 42 7. 3 + 63 ÷ 9 = 3 + 8. 5 × (8 - 3) = 5 × 7 5 Test Practice Circle the letter of the correct answer. 9. 10. Fran multiplied one side of an equation by 12. How much must she multiply the other side by to keep the equation true? A 6 C 10 B 12 D 24 Carl multiplied one side of an equation by 5. To make it an inequality, what must he multiply the other side by? A 5 C a number B (2 + 3) D any number but 5 Writing Math Kelly multiplied one side of an equation by 6 and the other side by (36 ÷ 6). Does she still have an equation? Explain. Yes, because 6 and (36 ÷ 6) are equal. Practice 7–25 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_PRAC.indd 7–25 11/30/07 4:35:51 AM Name Date Solving Equations Chapter 7, Lesson 4 Enrichment CA Standards AF 2.0 AF 2.2, Complete each equation. Then use the values you found to find the answer to the riddle below by filling in the blanks with the appropriate letters. Riddle: Why were the two sides of the inequality fighting? 8 1. 3 × (2 × 4) = 3 × 2. (6 - 2) × 3. 7×3-4= 4. 3 + (8 × 4) = 5 × 6 + 4 5. 3 =6+6 6 ×3-1 5 × (2 + 1) = 15 - 3 3=E 6=V 5=N 4=T 8=G 6. GET __EVEN __ __ __ ANSWER: They wanted to __ __ __ 8 3 4 3 6 3 5 Writing Math If the parentheses were removed from problem 4 above would the answer remain the same? Explain. Yes, it would remain the same because you would multiply 8 × 4 first and then go back to the left and add 3. Enrichment 7–26 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_ENR.indd 7–26 11/30/07 4:36:18 AM Chapter 7, Lesson 4 Name Date Leveled Problem Solving Multiply Equals by Equals CA Standards AF 2.0 AF 2.2, Solve each problem. After the answer write an equation that helped you to get the answer. 1. Alex picked 8 apples and 2 pears from the orchard. Janet picked 4 apples. How many pears does she have to pick to have the same amount of fruit as Alex? 2. Level I 6; 8 + 2 = 4 + 6 3. 8; 2 × 4 = 8 × 1 A farmer had six baskets of pears. Each basket held 15 pears. He lost one of the baskets when it fell off his tractor. How many pears does he now have? 4. Ling bought 8 oranges and ate 2 of them. Carl bought twice as many oranges as Ling. How many oranges must he eat to have the same number of oranges as Ling? 6. 10; 8 - 2 = (8 × 2) - 10 Leveled Problem Solving Hector has 3 apple trees in his yard. Each tree has 50 apples. Jill has 5 apple trees in her yard. How many apples must each tree in Jill’s yard have to match the number of apples Hector has? Level 30; 50 × 3 = 30 × 5 75; Possible answer: (6 × 15) - 15 = 5 × 15 5. Jorge filled 2 bags with 4 peaches in each bag. Rod has only one bag. How many peaches must he put in his bag to equal Jorge’s number of peaches? 7–27 II Ben picked 6 baskets of avocados. Each basket held 30 avocados. 40 avocados were bad and had to be thrown away. Thad picked 5 baskets and 10 were bad. He had the same number of avocados as Ben. How many avocados did he have in each basket? Level III 30; 6 × 30 - 40 = 5 × 30 - 10 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_PS.indd 7–27 11/30/07 4:36:47 AM Name Chapter 7, Lesson 4 Homework Date Multipy Equals by Equals CA Standards AF 2.0 AF 2.2, Will the equation 3 × 6 = 2 × 9 still be true if both sides are multiplied by 5? Step 1 Simplify both sides of the equation. 3×6 = 2×9 18 = 18 Step 2 Rewrite the equation multiplying each side by 5. 18 × 5 = 18 × 5 90 = Step 3 90 Note that both sides are equal as they were before. Solution: The equation 3 × 6 = 2 × 9 remains true if both sides are multiplied by 5. Copy and complete. 1. 5 × (2 + 1) = 5 × 3 2. (6 - 2) × 3. 4 + (9 - 2) = 4 + 7 4. 12 × 2 + 5 = 12 + 12 + 5. (8 ÷ 2 )×3=4×3 6. 7. 4×( 6 + 2) = 4 × 8 8. 4QJSBM3FWJFX 9. 5 + (6 × 7) = 8 + 42 7 × (20 ÷ 5) = 7 × 4 (Chapter 6, Lesson 4) KEY NS 3.0, MR 2.3 3 Find the missing number. 21 ÷ 11. =4×9 Divide. Then check your answer. 18 ÷ 6 = 10. 8 9 7 =3 Jake has 15 apples. He gave one third of the apples to Judy. How many apples did he give her? 5 apples Homework 7–28 Use with text pages 152–153. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L4_HMWK.indd 7–28 11/30/07 4:37:11 AM Name Date Chapter 7, Lesson 5 Daily Routines Problem Solving: Write an Expression Problem of the Day AF 2.0 Write all the pairs of numbers that can be written in the blanks below to make the equation true. 6 × (14 + 7) = 21 × (___ + ___) Number Sense KEY NS 1.2 What place value would you need to change to make 539,138 greater than 540,502? Word of the Day MR 2.3 operation Which numerical operation do you use most often during a day? Give some examples of how you use it. Facts Practice KEY NS 1.1 Write each number in standard form. 1. 40,000 + 5,000 + 90 + 8 2. 100,000 + 7,000 + 500 + 80 + 2 3. 10,000 + 6,000 + 20 4. 2,000,000 + 300,000 + 8,000 + 800 + 30 + 1 5. 5,000,000 + 300,000 + 90,000 + 4 6. 3,000,000 + 7,000 + 600 + 40 + 3 Daily Routines 7–29 Use with Chapter 7, Lesson 5 Copyright © Houghton Mifflin Company. All rights reserved. C07_G4_CAMath_Daily Rout_T.indd 7–29 11/30/07 4:25:29 AM Name Chapter 7, Lesson 5 Reteach Date Problem Solving: Write an Expression CA Standard AF 1.3 MR 2.4, Rusty has 6 pottery students. She gets paid $60 by the school to teach the class . The amount includes the student fees plus the cost to buy two packages of clay. If each student pays $8 to take the class, how much did the clay cost? Read It Look for the information you need to solve the problem. Organize It Write an expression. $60 amount Rusty received - (6 × $8) = fees paid by students $12 amount spent for clay Solve It First, do the operations inside the parentheses. Then, do the addition and subtraction in order from left to right. The clay cost $12 . Write an expression and solve each problem. 1. Gorge uses 2 pounds of clay to make a platter. He can make 8 platters a day. How much clay will he use if he makes platters for 7 days? 2. (2 × 8) × 7 = 112 pounds Samantha wants to buy a clay vase. She earns $3 an hour baby-sitting. She baby-sits 2 hours a week. A vase costs $18. How many weeks will Samantha have to save her earnings to have enough money to buy the vase? $18 ÷ (3 × 2) = 3 weeks Writing Math What is the first operation you should do in this expression: $12 - (3 × $2)? 3 × $2; You always do the operation in parentheses first. Reteach 7–30 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_RET.indd 7–30 11/30/07 4:37:39 AM Name Chapter 7, Lesson 5 Practice Date Problem Solving: Write an Expression CA Standards AF 1.3 MR 2.4, Use the table for Problems 1–4. Write an equation to solve each problem. Ben’s Points 1. Game Points 1 2 3 4 Total 8 12 6 18 44 In Game 4, Ben scored half of his team’s total points. How many points did his team score in Game 4? 18 × 2 = 36 points 2. Ben’s friend Jason scored 3 fewer points than Ben did in Game 1, and 2 fewer points than Ben in Game 2. How many total points did Jason score in Games 1 and 2? (8 - 3) + (12 - 2) = 15 points 3. Ben scored an equal amount of points in Games 5 and 6. Ben’s points in Game 5 equaled the total amount of points he scored in Games 3 and 4. How many total points did Ben score in Games 5 and 6? (6 + 18) × 2 = 48 points 4. Ben’s team, including Ben, scored a total of 141 points in the first four games. How many points did Ben’s teammates score in the first 4 games? 141 - (8 + 12 + 6 + 18) = 97 points Test Practice Circle the letter of the correct answer. 5. Martin is on Ben’s team. In Games 1 and 2 he scored half the points Ben did. In Game 3 he scored one more point than Ben, and in Game 4 he scored 0 points. Which expression will Martin use to find out how many points he scored in all four games? A (8 + 12) ÷ 2 + (6 + 1) B 12 + 8 ÷ 2 - 6 C (18 - 12) × 2 + (6 + 1) D 12 - 8 ÷ 2 + (6 + 1) Practice 7–31 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_PRAC.indd 7–31 11/30/07 4:38:09 AM Name Chapter 7, Lesson 5 Enrichment Date Problem Solving: Write an Expression CA Standards MR 2.4, AF 1.3 Work with a partner. Cut out the cards below. Arrange the cards to write expressions. Arrange every card to the left of the equal sign. Fill in the answer to the expression to the right of the equal sign. How many expressions can you write that have different answers? Make a list of the completed expressions. ( ( 16 ) 2 4 8 16 + ÷ × = ) + 2 ÷ 4 × 8 = Example: (16 ÷ 4) + 8 × 2 = 20 Some possible combinations: (16 ÷ 8) + 4 × 2 = 10; (16 ÷ 2) + 4 × 8 = 40; (8 ÷ 2) + 16 × 4 = 68; (8 ÷ 4) + 16 × 2 = 34; (4 ÷ 2) + 16 × 8 = 130; 16 ÷ (4 × 2) + 8 = 10; 16 ÷ (8 × 2) + 4 = 5; 8 ÷ (4 × 2) + 16 = 17 Writing Math Akira wrote this expression: (2 × 16 + 4) ÷ 8 =. He says the answer is 2 R6. What did he do wrong? What is the correct answer? He added 2 and 16 instead of multiplying 2 by 16; 4 R4 Enrichment 7–32 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_ENR.indd 7–32 11/30/07 4:38:34 AM Chapter 7, Lesson 5 Name Date Leveled Problem Solving Problem Solving: Write an Expression CA Standards AF 1.3 MR 2.4, Write an equation to solve each problem. 1. Mandy has 9 coins. The coins are quarters, dimes, and nickels. She has 2 quarters and 5 nickels. How many dimes does Mandy have? 2. (50¢ - 10 × 1¢ - 2 × 10¢) ÷ 5 = 4 nickels 9 - (2 + 5) = 2 dimes 3. Mandy has $37. She has 2 one-dollar bills and 1 ten-dollar bill. The rest are five-dollar bills. How many five-dollar bills does she have? 4. Teri bought 3 T-shirts and 2 pairs of socks. She paid a total of $30. If the socks were $3 a pair, how much was each T-shirt? $38 - ($9 × 3) - $4 = $7 6. Meredith bought 4 notebooks that cost $2 a piece. She also bought 3 packs of pencils for $6 total. She had a $3 off coupon for purchases of $10 or more. How much did she spend on school supplies? Level III (4 × $2) + $6 - ($30 - 2 × $3) ÷ 3 = $8 Leveled Problem Solving Annie had $38. She bought 3 CDs and a book. She had $4 left over. If the CDs cost $9 each, what did the book cost? Level II ($37 - 2 × $1 - 1 × $10) ÷ $5 = 5 five-dollar bills 5. Annie has 16 coins. The value of the coins totals 50 cents. She has 10 pennies and 2 dimes. The rest of the coins are nickels. How many nickels does she have? Level I $3 = $11 7–33 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_PS.indd 7–33 11/30/07 4:39:01 AM Name Chapter 7, Lesson 5 Homework Date Problem Solving: Write an Expression CA Standards AF 1.3 MR 2.4, Write an expression to solve each problem. Read It Look for information. Mr. Henderson bought 5 cups and 5 saucers. His total purchase cost $50. If each saucer cost $2, how much did he pay for each cup? Organize It Write an expression to solve the problem. ($50 total purchase 5 × $2) cost of saucers ÷ 5 = number of cups cost of each cup Solve It First, do the operations inside the parentheses. Do the multiplication and division in order from left to right. Then, do the addition and subtraction in order from left to right. Finally, do the operations outside the parentheses in the same order. Each cup cost 1. $8.00 Mrs. Henderson bought 18 pieces of pottery. She bought 11 mugs, 4 bowls, and some plates. How many plates did she buy? 18 - (11 + 4) = 3 plates 2. She also bought 3 hand mirrors, 2 spoon rests, and 5 toothbrush holders to give as gifts to her friends. The hand mirrors cost $5 each. The spoon rests cost $2 each. Altogether, she spent $34 on the gifts. How much did the 5 toothbrush holders cost? $34 - (3 × $5) - (2 × $2) = $15 4QJSBM3FWJFX (Chapter 6, Lesson 5) KEY NS 3.2 Divide. Then check your answer. 3. 5. 17 ÷ 3 = 5 R2 4. 126 ÷ 10 = 12 R6 Margie wants to ship 40 mugs. Each shipping carton holds 12 mugs. How many full cartons will she have? How many mugs will be left over? 3 R4 Homework 7–34 Use with text pages 154–155. Copyright © Houghton Mifflin Company. All rights reserved. 73744_C07L5_HMWK.indd 7–34 11/30/07 4:39:25 AM Name Chapter 7 Test Date Chapter 7 Test 4AF1.0 Circle the letter of the correct answer. 3 4AF1.2 1 Use the order of operations to solve the following expression: Ricardo, Lee, and Jessica collect baseball cards. Ricardo has 8 cards. Lee and Jessica have 5 cards each. 2 × (5 + 3) - 6 A 1 B 4 C 7 D 10 How many cards do they have altogether? 4AF1.2 2 Which equation below is true? A 12 - 6 ÷ 2 + 4 = 7 B (12 - 6) ÷ 2 + 4 = 7 C 12 - 6 ÷ (2 + 4) = 7 D (12 - 6) ÷ (2 + 4) = 7 Assessment Resources 4 A 8 B 13 C 18 D 23 4AF1.0 4 Ricardo decides to give Lee and Jessica some of his 8 baseball cards. If he gives both Lee and Jessica 2 cards each, how many will he have left? A 4 B 5 C 6 D 7 7–35 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–35 11/30/07 4:40:20 AM Name 5 Chapter 7 Test Date Use the order of operations to solve the following expression: 8 Which value of equation true? 12 + 24 ÷ (6 - 2) 16 ÷ ( A =0 9 B =1 C 14 C =2 D 18 D =3 A 4 B 4AF1.2 makes the - 1) = 16 4AF1.0 4AF1.0 6 Luz and Tyler drink milk with their lunch. This week, Luz drank 3 more cartons of milk than Tyler. If Tyler number of cartons, how drank many did Luz drink? A 4AF1.0 9 3 -3 B Hiro has twice as many sisters number of as Leon. Leon has sisters. How many sisters does Hiro have? A 2 B 2× C 2+ C ÷2 D +3 D 4AF1.1 4AF1.1 7 Evaluate the expression for ( + 1) × 6 10 Evaluate the expression for = 4: 2 × (3 + A 36 A 5 B 30 B 6 C 24 C 11 D 10 D 16 Assessment Resources 4 = 5: ) 7–36 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–36 11/30/07 4:40:36 AM Name 11 4AF1.1 Solve the equation. 3× A =3 B =6 C = 10 D = 27 14 = 11 - 2 Which symbol belongs in the oval? 24 - 6 Three fourth-grade classes donate the same number of cans to a food pantry. 4AF2.0 Altogether, the three classes gave the food pantry 33 cans. How many cans did each class give? 4AF1.0 12 Chapter 7 Test Date 2+9 A 11 A = B 22 B < C 33 C > D 99 D ≤ 4AF2.0 4AF2.0 13 15 Otis practiced the piano for 10 minutes. Elizabeth practiced more than twice as many minutes as Otis. Which equation or inequality shows how many minutes Elizabeth practiced? Ayita and Manuel worked at a car wash. Ayita washed 1 more car than Manuel. Manuel washed 4 cars. How many cars did Ayita wash? A 1 B 3 A 10 × 2 < C 4 B 10 × 2 = D 5 C 10 ÷ 2 > D 10 ÷ 2 = Assessment Resources 4 7–37 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–37 11/30/07 4:41:03 AM Name 16 4AF2.0 Solve the equation. A =1 Sarah has 2 more pets than Camilla. Altogether, Sarah and Camilla have 6 pets. How many pets does Camilla have? B =3 A 2 C = 14 B 4 D = 28 C 5 D 6 7× 17 4MR2.2 4AF2.0 Solve the equation. A = 32 B = 12 C =4 D =2 19 = 3 + 18 ÷4=2×4 4MR2.2 20 4MR2.2 18 Chapter 7 Test Date Jae Ho bought 5 tickets to the movies. Hector is taking 4 bags with him to his aunt’s house. He can fit 5 shirts in each bag. How many shirts can he take with him to his aunt’s house? A 9 B 16 C 20 D 25 They were 7 dollars each. Which expression below shows how much it cost for all 5 tickets? A 7-5 B 7+5 C 7×5 D 7÷5 Assessment Resources 4 7–38 Copyright © Houghton Mifflin Company. All rights reserved. 73784_C7_U3_CT.indd 7–38 11/30/07 4:41:19 AM Name Date Chapter Test 7 Individual Student Record Form Chapter Test 7 Use the chapter test to identify your students’ mastery of the skills in the chapter. The item analysis below will help you recognize strengths and weaknesses. Record Correct Answer Student Response the student’s response in the column to the right of the correct answer. California State Standards 1. D 4AF1.2 Interpret and evaluate mathematical expressions that now use parentheses. 2. B 4AF1.2 3. C 4AF1.0 4. A 4AF1.0 5. D 4AF1.2 Interpret and evaluate mathematical expressions that now use parentheses. 6. D 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 7. B 4AF1.1 8. C 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 9. B 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 10. D 4AF1.1 11. A 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 12. C 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 13. A 4AF2.0 Students know how to manipulate equations. 14. A 4AF2.0 15. D 4AF2.0 16. B 4AF2.0 17. A 4AF2.0 18. C 4MR2.2 19. A 4MR2.2 20. C 4MR2.2 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. Apply strategies and results from simpler problems to more complex problems. out of 20 7–39 Copyright © Houghton Mifflin Company. All rights reserved. 73784_IRF_C7_CT.indd 7–39 11/30/07 4:41:55 AM Teacher Name Date Chapter 7 Test Class Record Form Chapter Test 7 Use the chapter test to identify your students’ mastery of the California Mathematics Contents Standards in the chapter. Item The record below will allow you to group students for differentiated instruction. California Mathematics Contents Standards 1. 4AF1.2 2. 4AF1.2 3. 4AF1.0 4. 4AF1.0 5. 4AF1.2 Interpret and evaluate mathematical expressions that now use parentheses. 6. 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 7. 4AF1.1 8. 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 9. 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 10. 4AF1.1 11. 4AF1.1 Use letters, boxes, or other symbols to stand for any number in simple expressions or equations. 12. 4AF1.0 Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 13. 4AF2.0 Students know how to manipulate equations. 14. 4AF2.0 15. 4AF2.0 16. 4AF2.0 17. 4AF2.0 18. 19. 4MR2.2 Apply strategies and results from simpler problems to more complex problems. 4MR2.2 20. 4MR2.2 Groups for differentiated instruction Interpret and evaluate mathematical expressions that now use parentheses. Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. 7–40 Copyright © Houghton Mifflin Company. All rights reserved. 73784_U3_C7_CRF_CT.indd 7–40 11/30/07 4:42:21 AM Name Unit 3 Test Date Unit 3 Test 4NS3.0 Circle the letter of the correct answer. 4NS3.0 1 3 Susan invited 12 of her friends to her birthday party. Each friend gave her one birthday gift. If Susan decided to share her gifts equally among her 12 friends, how many gifts does each friend receive? 7 × 9 = 63 A 63 ÷ 1 = 63 B 63 ÷ 9 = 7 A 1 C 63 ÷ 9 = 9 B 3 D 63 ÷ 7 = 7 C 4 D 4NS3.0 6 4 4NS3.0 2 Which of the following equations is related to the equation below? If 3 × 5 = 15, what is 15 ÷ 3? A B C D 3 Between Monday and Friday, Fernando picks 3 flowers from his garden each day. He has 3 friends and divides his flowers equally among them. How many flowers does each friend receive? A 3 B 4 C 5 D 6 5 4 15 Assessment Resources 4 7–41 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–41 12/9/07 11:19:55 PM Name Unit 3 Test Date 4NS3.0 5 Which of the following equations is related to 4NS3.0 7 Using the associative property, rewrite the following expression. 3 × (6 × 7) 4 × 6 = 24? A 24 ÷ 1 = 24 A 3 × (6 × 6) B 24 ÷ 6 = 4 B 6 × (3 + 7) C 24 ÷ 6 = 6 C (3 × 6) × 7 D 24 ÷ 4 = 4 D 6×7 4NS3.0 6 What is any number multiplied by 0? 8 What is 6 ÷ 0? A 0 A 0 B 1 B 1 C 10 C 9 D The original number D not possible Assessment Resources 4 4NS3.0 7–42 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–42 11/30/07 4:47:51 AM Name Unit 3 Test Date 4NS3.2 9 Aretha has 48 balls that she puts into 8 equal rows, 6 balls in a row. If Aretha wants to divide the 48 balls into 6 equal rows, how many balls would be in each row? 11 4NS3.2 A 6 B 8 C 10 D 12 4NS3.2 10 Chen sorted his toy cars into groups of 5. He recorded the groups using tally marks. Gloria is using tally marks to help her multiply 5 × 9. What was her answer? A 9 B 5 C 45 D 50 4NS3.0 12 What is the total number of toy cars? Marco divides his box of 25 pears among 4 friends. How many pears does each friend get? A 4 B 6 A 6 C 6 B 5 D 7 C 20 D 25 Assessment Resources 4 7–43 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–43 11/30/07 4:48:08 AM Name Unit 3 Test Date 4NS3.0 13 What is 26 divided by 5? A 5 B 5 remainder 1 C D 16 5 B 6 C 7 D 8 4AF1.0 6 Use the order of operations to solve the following expression. 4 × (6 + 3) - 4 A 23 B 28 C 30 D 15 A 5 remainder 2 4AF1.2 14 Juan gives Anil and Percy some of his 12 football cards. He gives 3 cards to Anil and 2 to Percy. How many cards does Juan have left? 4AF1.0 17 Tara and her sister want to see how far they can run in 20 minutes. Tara runs 3 miles and her sister runs less than half that distance. Which inequality or equation below shows this relationship? A ×2<3 B ×2=3 C + 3 = 20 D + 3 > 20 32 (7 + 5 + 4) × (3 + 2) = ? A 21 B 80 C 94 D 100 Assessment Resources 4 4AF1.2 7–44 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–44 11/30/07 4:48:22 AM Name Unit 3 Test Date 4AF1.0 18 Ling Na studies more than two hours a day, Monday through Friday. Which equation or inequality below shows her total study time for the week? 4AF2.0 20 Solve the equation. A = 36 B =3 C = 48 D =8 >2×5 A =2×5 B =5+2 C >5+2 D = 40 − 4 12 × 4AF2.0 19 Solve the equation. = 32 8× A =8 B =4 C =1 D = 256 Assessment Resources 4 7–45 Copyright © Houghton Mifflin Company. All rights reserved. 73784_UT_U3.indd 7–45 11/30/07 4:48:37 AM Name Date Unit 3 Test Individual Student Record Form Unit 3 Test Use the unit test to identify your students’ mastery of the skills in the unit. The item analysis below will help you recognize strengths and weaknesses. Correct Answer Student Response 1. A Record the student’s response in the column to the right of the correct answer. California State Standards 2. B 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole numbers and understand the relationships among the operations. 4NS3.0 3. B 4NS3.0 4. C 4NS3.0 5. B 4NS3.0 6. A 4NS3.0 7. C 4NS3.0 8. D 4NS3.0 9. B 4NS3.2 Demonstrate an understanding of, and the ability to use, standard algorithms for multiplying a multidigit number by a two-digit number and for dividing a multidigit 4NS3.2 number by a one-digit number; use relationships between them to simplify 4NS3.2 computations and to check results. 10. D 11. C 12. C 13. B 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole numbers and understand the relationships among the operations. 4NS3.0 14. D 4AF1.2 15. B 4AF1.2 16. C 4AF1.0 17. A 4AF1.0 18. A 4AF1.0 19. B 4AF2.0 20. B 4AF2.0 Interpret and evaluate mathematical expressions that now use parentheses. Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. Students know how to manipulate equations. out of 20 Assessment Resources 4 7–47 Copyright © Houghton Mifflin Company. All rights reserved. 73784_IRF_UT_U3.indd 7–47 11/30/07 4:56:15 AM Teacher Name Date Unit 3 Test Class Record Form Unit 3 Test Use the unit test to identify your students’ mastery of the California Mathematics Contents Standards in the unit. Item 1. The record below will allow you to group students for differentiated instruction. California Mathematics Contents Standards 3. 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole 4NS3.0 numbers and understand the relationships 4NS3.0 among the operations. 4. 4NS3.0 5. 4NS3.0 6. 4NS3.0 7. 4NS3.0 8. 4NS3.0 9. 4NS3.2 Demonstrate an understanding of, and the ability to use, standard algorithms for multiplying a 4NS3.2 multidigit number by a two-digit number and 4NS3.2 for dividing a multidigit number by a one-digit number; use relationships between them to simplify computations and to check results. 2. 10. 11. 12. 13. 4NS3.0 Students solve problems involving addition, subtraction, multiplication, and division of whole 4NS3.0 numbers and understand the relationships among the operations. 14. 4AF1.2 15. 4AF1.2 16. 4AF1.0 17. 4AF1.0 18. 4AF1.0 19. 4AF2.0 20. 4AF2.0 Groups for differentiated instruction Interpret and evaluate mathematical expressions that now use parentheses. Students use and interpret variables, mathematical symbols, and properties to write and simplify expressions and sentences. Students know how to manipulate equations. Assessment Resources 4 7–48 Copyright © Houghton Mifflin Company. All rights reserved. 73784_U3_CRF_UT.indd 7–48 11/30/07 4:56:51 AM
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