4th Grade Mathematics Curriculum Course Description: The 4th Grade Mathematics course Course Essential Questions: TBD 4th Grade State Assessment Information: Approximate Percentage of Questions Assessing Each Strand Strand: Percent: Time allotted: Number Sense and Operations: 45% (11 weeks) Algebra: 14% (2 weeks) Geometry: 12% (1 week) Measurement: 17% (4 weeks) Probability and Statistics: 12% (3 weeks) Units: (Unit 2, 3, 4, 5, 6,) (Unit 2, 3, 5, 6) (Unit 7) (Unit 8) (Unit 1) Additional Information: 4th Grade Mathematical Language – to be included Post-March 3rd Grade Performance Indicators The 3rd Grade state performance indicators below are denoted by the state as post-test. Therefore, students will be responsible for this knowledge of the 4th Grade assessment. Attention should be given to them during the normal course of instruction or during review. 3.N.14 Explore equivalent fractions (1/2, 1/3, 1/4). 3.N.15 Compare and order unit fractions (1/2, 1/3, 1/4) and find their approximate locations on a number line 3.N.19 Develop fluency with single-digit multiplication facts Assess Post- March for above 5 x 10. In context 3.N.20 Use a variety of strategies to solve multiplication problems with factors up to 12 x 12 3.N.22 Demonstrate fluency and apply single-digit division facts Assess Post- March for above 50 divided by 10 and grade 3 for below 50 divided by 10. In context 3.N.23 Use tables, patterns, halving, and manipulatives to provide meaning for division 3.N.25 Estimate numbers up to 500 Post-March for numbers past 200 3.N.26 Recognize real world situations in which an estimate (rounding) is more appropriate 3.A.1 Use the symbols <, >, = (with and without the use of a number line) to compare whole numbers and unit fractions (1/2,1/3,1/4,1/5,1/6, and 1/10) Post-March for fractions 3.G.2 Identify congruent and similar figures 3.S.1 Formulate questions about themselves and their surroundings 3.S.2 Collect data using observation and surveys, and record appropriately AECSD 4th Grade Mathematics.doc 1 This Page Intentionally Left Blank AECSD 4th Grade Mathematics.doc 2 4th Grade Local Math Standards Numbering Key: Local.Grade level.Mathematics strand*.standard # e.g. L.4.N.5 (L = local; 4 = 4th Grade; N = Number Sense and Operations; 5 = 5th standard) Number and Operations L.4.N.1 Representation and Notation L.4.N.2 L.4.N.3 Place Value Number Order L.4.N.4 Addition and Subtraction L.4.N.5 Estimation L.4.N.6 Number Theory L.4.N.7 Properties and Laws L.4.N.8 Computation and Facts L.4.N.9 Multiplication and Division L.4.N.10 Fractions L.4.N.11 Decimals Algebra L.4.A.1 L.4.A.2 Geometry L.4.G.1 Read and write whole numbers 0 to 10,000; read and write fractions (see L.4.N.10); read and write decimals to hundredths place (see L.4.N.11); convert between fractions and decimals (to hundredths). Understand numbers including place value from hundredths to ten-thousands. Compare and order whole numbers to 10,000; compare and order unit fractions or proper fractions with common denominators (halves thru sixths and tenths); compare and order decimals to hundredths; use the symbols <, >, =, and ≠. Add and subtract 5-digit whole numbers and understand that addition and subtraction are inverse operations; add and subtract fractions (see L.4.N.10) and decimals (see L.4.N.11) Develop estimation strategies and skills (including rounding to nearest 10, 100, or 1,000); estimate answers before solving problems and compare estimate with outcome to determine the reasonableness of results. Count by 1000's; identify when multiplication results in even versus odd numbers Recognize patterns for products and quotients including fact families; use and explain the associative property of multiplication (e.g. (2 * 3) * 4 = 2 * (3 * 4)) Master multiplication and division facts with products and dividends up to 144; develop fluency multiplying and dividing by multiples of 10 and 100 up to 1,000 (e.g. 20 * 300). Multiply two-digit by one- and two-digit numbers; divide two-digit by one-digit numbers (with and without remainders); recognize multiplication and division as inverse operations and as repeated addition or subtraction, respectively. Develop understanding of fractions (including as division of whole numbers); recognize and find equivalent fractions (halves thru sixths, and tenths); compare and order (see L.4.N.3) fractions; add and subtract proper fractions with common denominators. Develop understanding of decimals (to hundredths place) as part of a whole; read, write, and order (see L.4.N.3) decimals to hundredths (connect to money application); add and subtract decimals to hundredths place. Recognize, describe, extend, and create numeric and geometric patterns; analyze a Patterns and Representations numeric input and output pattern or function and state the rule (e.g. each number is Solving Equations and Inequalities Shapes and Figures L.4.G.4 Points, Lines, and Angles L.4.G.5 Perimeter, Area, and Volume multiplied by 3) Express relationships as open sentences; find a value or values that make an open sentence true including sentences containing the symbols < or >. Identify and name polygons (triangle, quadrilateral, pentagon, hexagon, octagon) connecting names to number of sides; define and identify parts of threedimensional shapes (vertices, faces, edges). Draw and identify points, line segments and rays; draw and identify intersecting, perpendicular, and parallel lines; draw angles and classify as acute, right, obtuse, or straight. Find the perimeter of polygons given the lengths of its sides; find the area of a rectangle by counting squares AECSD 4th Grade Mathematics.doc 3 Measurement L.4.M.1 Time L.4.M.2 Length L.4.M.3 L.4.M.4 Money Mass L.4.M.5 Volume Statistics and Probability L.4.S.1 Collect and L.4.S.2 Display Data Analyze Data Problem Solving L.4.PS.1 Organization L.4.PS.2 Strategies L.4.PS.3 Reflection Reasoning and Proof L.4.RP.1 Communication L.4.CM.1 Connections L.4.CN.1 Representations L.4.Rep.1 Calculate elapsed time in hours and half hours (not crossing A.M. or P.M) and in days and weeks (using a calendar) Estimate, measure (using appropriate tools and units (i.e. 1/4 inches and whole centimeters and meters)), compare, and order the lengths (heights) of objects; know and understand equivalent standard units: 12 inches = 1 foot, 3 feet = 1 yard). Determine an amount of change in dollars and cents. Estimate, measure (grams and kilograms), and compare the mass of objects using appropriate tools. Estimate, measure (milliliters and liters), and compare the volume (capacity) of objects using appropriate tools. Collect (using observations, surveys, and experiments), record, and display realworld data with tables and graphs (e.g. pictographs, bar graphs). Read and interpret data from displays (e.g. line graphs); draw conclusions and make predictions from data or graphs. Analyze situations (identify the problem, identify needed information, find relationships, observe patterns, and generate possible strategies) and organize work to solve problems (e.g. use Auburn Problem Solving Process). Solve problems using a variety of strategies and representations (e.g. modeling with manipulatives, drawing pictures or diagrams, making a list or chart, and process of elimination). Estimate possible solutions; examine solution to ensure it is reasonable in context of problem; compare solution to original estimate; verify results. Make conjectures; support (or refute) a mathematical statement or conjecture as true or false including the use of (counter)examples and explain reasoning; support mathematical ideas verbally, numerically, algebraically, pictorally, and in writing. Decode and comprehend mathematics expressed verbally and in writing; clearly and coherently communicate mathematical thinking verbally, pictorally, numerically and in writing using appropriate mathematical vocabulary and symbols; organize and accurately label work. Recognize and use connections among branches of mathematics and real life (e.g. estimate and represent the number of apples in a tree, determine the number of buses required for a field trip, use a multiplication grid to solve odd and even number problems) Represent mathematical ideas in a variety of ways (verbally, in writing, pictorally, numerically, algebraically, or with physical objects); switch among different representations; investigate similarities and differences between representations. AECSD 4th Grade Mathematics.doc 4 Math 4 Unit Sequence and Timeline: Unit 1 Length: Timeframe: Graphing and Facts Review (D.1, D.2) ~ 3 weeks Start of September to late September Unit 2 Length: Timeframe: Place Value (N.1, N.2, N.3, N.5, N.6) ~ 3 weeks Late September to Mid-October Unit 3 Length: Timeframe: Adding and Subtracting Whole Numbers (N.4, A.1,A.2) ~ 3 weeks Late October to Mid-November Unit 4 Length: Timeframe: Time and Money (M.1, M.3) ~ 3 weeks Mid-November to Mid-December Unit 5 Length: Timeframe: Multiplication (N.5, N.6, N.7, N.8, N.9, A.1, A.2) ~ 3 weeks Mid-December to Early January Unit 6 Length: Timeframe: Division (N.7, N.8, N.9) ~ 3 weeks Early January to Late January Unit 7 Length: Timeframe: Geometry (G.1, G.4, G.5) ~ 2 weeks Late January to Mid-February Unit 8 Length: Timeframe: Measurement (M.2, M.4, M.5) ~ 2 weeks February State Assessment Review and Administration Length: ~ 2 weeks Timeframe: February 27 to March 10 (State Assessment: 3/8, 3/9, and 3/10) Unit 9 Length: Timeframe: Fractions (N.1, N.3, N.10) ~ 3 weeks Mid-March to Late March Unit 10 Length: Time frame: Decimals (N.1, N.3, N.11) ~ 3 weeks Early April to Late April AECSD 4th Grade Mathematics.doc 5 Unit 11 Length: Timeframe: Geometry (G.4) ~ 2 weeks Early May to Mid-May Unit 12 Length: Timeframe: Multiplication of 2 Digit Factors (N.5, N.7, N.8, N.9) ~ 3 weeks Mid-May to Early June AECSD 4th Grade Mathematics.doc 6 Unit 1 Graphing and Facts Review (D.1, D.2) Length: ~ 3 weeks Timeframe: Start of September to late September State Standards (Shaded statements are identified as Post-March Indicators): 4.S.2 Collect data using observations, surveys, and experiments and record appropriately 4.S.3 Represent data using tables, bar graphs, and pictographs 4.S.4 Read and interpret line graphs 4.S.5 Develop and make predictions that are based on data 4.S.6 Formulate conclusions and make predictions from graphs Local Standards (Stricken text is covered in a different unit): L.4.S.1 Collect (using observations, surveys, and experiments), record, and display real-world data with tables and graphs (e.g. pictographs, bar graphs). L.4.S.2 Read and interpret data from displays (e.g. line graphs); draw conclusions and make predictions from data or graphs. Big Ideas: Graphs and tables can be used to represent data. Essential Questions: What is the difference between a bar graph and pictograph? When given a table of data, why do we graph it? What are the benefits of knowing your basic facts? Prior Knowledge: To identify and read pictographs and bar graphs To display data on a table Knowledge of the terms key and scale Knowledge of problem solving steps Unit Objectives: To represent data on a table To represent data on a bar graph, using an appropriate scale and labels To represent data on a pictograph, using an appropriate key and symbols To formulate conclusions and make predictions from graphs (i.e. pictographs, bar and line graphs) To review addition and subtraction, through computation problems and problem solving. Resources: SFAW Math, pages 2, 3, 10-13, 20-27, 34, 35 Review Template: Addition with regrouping Solve: 14 + 88 AECSD 4th Grade Mathematics.doc Solve: 462 + 79 Solve: 188 + 966 7 Subtraction with regrouping Solve: 52 − 19 Solve: 281 − 34 Place Value up to Thousands Write in standard form: AECSD 4th Grade Mathematics.doc Solve: 860 − 325 four hundred sixteen seven hundren one three thousand, eight hundred fifty 8 Unit 2 Place Value (N.1, N.2, N.3, N.5, N.6) Length: ~ 3 weeks Timeframe: Late September to Mid-October State Standards (Shaded statements are identified as Post-March Indicators): 4.N.1 Skip count by 1,000’s 4.N.2 Read and write whole numbers to 10,000 4.N.3 Compare and order numbers to 10,000 4.N.4 Understand the place value structure of the base ten number system: 10 ones = 1 ten, 10 tens = 1 hundred, 10 hundreds = 1 thousand, 10 thousands = 1 ten thousand 4.N.5 Recognize equivalent representations for numbers up to four digits and generate them by decomposing and composing numbers 4.N.26 Round numbers less than 1,000 to the nearest tens and hundreds 4.N.27 Check reasonableness of an answer by using estimation 4.A.2 Use the symbols <, >, =, and ≠ (with and without the use of a number line) to compare whole numbers and unit fractions and decimals (up to hundredths) Local Standards (Stricken text is covered in a different unit): L.4.N.1 Read and write whole numbers 0 to 10,000; read and write fractions (see L.4.N.10); read and write decimals to hundredths place (see L.4.N.11); convert between fractions and decimals (to hundredths). L.4.N.2 Understand numbers including place value from hundredths to ten-thousands. L.4.N.3 Compare and order whole numbers to 10,000; compare and order unit fractions or proper fractions with common denominators (halves thru sixths and tenths); compare and order decimals to hundredths; use the symbols <, >, =, and ≠. L.4.N.5 Develop estimation strategies and skills (including rounding to nearest 10, 100, or 1,000); estimate answers before solving problems and compare estimate with outcome to determine the reasonableness of results. L.4.N.6 Count by 1000's; identify when multiplication results in even versus odd numbers Big Ideas: Place value allows us to represent larger and larger numbers while only using 10 digits. Essential Questions: What if there was no place value? What is the difference between a digit and a number? When and why would you round a number? When do you use the different forms of numbers? Prior Knowledge: To know place value up to thousands To compare and order whole numbers up to 1,000 To round whole numbers up to hundreds To read and write numbers up to 1,000 Unit Objectives: AECSD 4th Grade Mathematics.doc 9 To know place value up to ten thousands To read and write whole numbers up to 10,000 To compare and order whole numbers up to ten thousands using the symbols <, >, =, & ≠ To estimate (round) whole numbers up to 10, 000 Resources: SFAW Math, pages 52-55, 62, 63, 65-72 Review Template: Ordering Whole Numbers Order from least to greatest: Rounding Whole Numbers Round to the nearest ten: Round to the nearest hundred: 156, 152, 165, 180 1010, 999, 1001, 1000 5,687; 5,876; 6,578; 5,867 85 96 19 125 34 678 Comparing Whole Numbers (using the symbols <, >, or =) 167 O 162 688 O 145 8,909 O 8,990 Problem Solving: The digit in my ones place is twice the digit in my hundreds place. The digit in my thousands place is 5. The sum of my digits is 14. What number am I? Extension: What are all of the possible numbers that I could be? The greatest recorded depth of the Antarctic ice sheet was recorded at 15,400 feet. A mile is 5,280 feet. About how many miles thick is the ice? Explain your answer. AECSD 4th Grade Mathematics.doc 10 Unit 3 Adding and Subtracting Whole Numbers (N.4, A.1,A.2) Length: ~ 3 weeks Timeframe: Late October to Mid-November State Standards (Shaded statements are identified as Post-March Indicators): 4.N.14 Use a variety of strategies to add and subtract numbers up to 10,000 4.A.1 Evaluate and express relationships using open sentences with one operation 4.A.3 Find the value or values that will make an open sentence true, if it contains < or > 4.A.4 Describe, extend, and make generalizations about numeric (+, -, *, /) and geometric patterns 4.A.5 Analyze a pattern or a whole-number function and state the rule, given a table or an input/output box Local Standards (Stricken text is covered in a different unit): L.4.N.4 Add and subtract 5-digit whole numbers and understand that addition and subtraction are inverse operations; add and subtract fractions (see L.4.N.10) and decimals (see L.4.N.11) L.4.A.1 Recognize, describe, extend, and create numeric and geometric patterns; analyze a numeric input and output pattern or function and state the rule (e.g. each number is multiplied by 3) L.4.A.2 Express relationships as open sentences; find a value or values that make an open sentence true including sentences containing the symbols < or >. Big Ideas: Adding and subtracting are life skills. The values on both sides of the equals sign must be the same. Essential Questions: How do you use inverse operations to check problems? When do you need to regroup? What is a variable in a number sentence? Prior Knowledge: To add and subtract three-digit whole numbers with and without regrouping To describe, extend and create numeric patterns Unit Objectives: To add and subtract 5-digit whole numbers with and without regrouping To recognize and use addition and subtraction as inverse operations To find the value or values that make an open sentence true, using the symbols < or > and the variable n To analyze a numeric input and output pattern To determine the next output value in a numeric input and output pattern To state a rule for a numeric input and output pattern To identify key words when solving addition and subtraction word problems AECSD 4th Grade Mathematics.doc 11 Resources: SFAW Math, pages 32, 33, 134, 135 (Algebra reference), 93-117 Review Template: Money Write the least amount of dollars or coins needed to make each amount: $0.55 $0.96 $7.05 Patterns Complete the next three numbers in the pattern: 3, 6, 9, 12, __, __, __ 10, __, 20, __, 30, 35, __ 150, 200, 250, 300, ___, ___, ___ Property of Addition Solve: (3 + 8) + 5 = 3 + (8 + ?) Solve: (2 + 6) + 9 = 2 + (? + 9) Solve: 4 + (0 + 6)= ? + (0 + 6) Problem Solving: Gail and Toby ran for student council president. A total of 405 student voted. Gail got 247 votes. How many students voted for Toby? Who won the election? Ken wants to buy a larger tank so he can have more fish. The pet store owner said that 2 fish can live in 1 gallon of water, 5 fish in 2 gallons, 8 fish in 3 gallons, or 11 fish in 4 gallons. Complete the chart to show how many fish can live in larger fish tanks. Number of Gallons of Water 1 2 3 4 5 6 7 Number of __ Fish __ 2 5 8 11 Explain the rule you used to complete the pattern. AECSD 4th Grade Mathematics.doc 12 Unit 4 Time and Money (M.1, M.3) Length: ~ 3 weeks Timeframe: Mid-November to Mid-December State Standards (Shaded statements are identified as Post-March Indicators): 4.M.8 Make change, using combined coins and dollar amounts 4.M.9 Calculate elapsed time in hours and half hours, not crossing A.M./P.M. 4.M.10 Calculate elapsed time in days and weeks, using a calendar Local Standards (Stricken text is covered in a different unit): L.4.M.1 Calculate elapsed time in hours and half hours (not crossing A.M. or P.M) and in days and weeks (using a calendar) L.4.M.3 Determine an amount of change in dollars and cents. Big Ideas: Elapsed time is applicable to students’ lives (ex. going to the movies). An understanding of money is essential in every day living. Essential Questions: How do you find elapsed time for a certain activity? Why is it important to know how to find change? What are the symbols used in writing money amounts? Why are they (the symbols) important to record? Prior Knowledge: To tell time to the nearest minute To know the value of each coin To count and represent money amounts (using $0.00) Unit Objectives: To add and subtract money amounts, using $0.00 To determine the amount of change in dollars and cents To calculate elapsed time in hours and half hours withou crossing A.M. or P.M. To calculate elapsed time in days in weeks, using a calendar Lessons Outline: Lesson 1 Review Counting Money To know the value of each coin To count and represent money amounts (using $0.00) Textbook: Pages 126-127 Practice Workbook 3-12 p. 45 Lesson 2 Adding and Subtracting Money To add and subtract money amounts, using $0.00 Textbook: Pages 128-129 Practice Workbook p. 46 Lesson 3 Exploring Making Change AECSD 4th Grade Mathematics.doc 13 To determine the amount of change in dollars and cents Textbook: Pages 130-131 Practice Workbook p. 47 *This lesson will most likely take a few days. See Resources ... for more lessons and practice. Lesson 4 Review Telling Time To tell time to the nearest minute Textbook: Pages 74-75 Resouces available Practice Workbook p. 25 Lesson 5 Review Telling Time To tell time to the nearest minute Textbook: Pages 76-77 Practice Workbook p. 26 See resource: Matching game on cardstock Lesson 6 Elapsed Time To calculate elapsed time in hours and half hours Do not use lesson from SFAW. Use lesson from resources – Lesson 6 Elapsed Time *This lesson will need 2-3 days to master Lesson 7 Exploring the Calendar To calculate elapsed time in days in weeks, using a calendar Textbook: Pages 80-81 Practice Workbook 28 Additional Resources: Vocabulary: Decimal point Analog clock Digital clock A.M. P.M. Elapsed time Ordinal number Leap year Century Decade Lessons relating to time and money that should not be done: 3-15 Exploring Algebra 3-16 Review Template: Commutative Property of Multiplication Solve: 6 × 7 = 7 × ? 4×3=?×4 AECSD 4th Grade Mathematics.doc ?×8=8×7 14 Fact Families Complete or create a fact family: 4, 7, 3 3 + 4= 7 7 – 4= 3 7 – __ = 4 15, 7, 8 6, 2, 12 __ + __ = __ __ × __ = __ __ + __ = __ __ + __ = __ __ × __ = __ __ − __ = __ __ ÷ __ = __ __ − __ = __ __ ÷ __ = __ Subtraction Across Zeroes Solve: 40 − 24 Solve: 305 − 117 Solve: 900 − 425 Problem Solving: 1. Amy bought a glue stick for $0.56 and 2 pencils for $0.12 each. How much change should she get back from $5? 2. Students want to buy playground equipment. They can buy a complete basketball set for $300 or they can buy the items separately. Complete Basketbal Set Basketball Equipment Set Includes Pole $125 Pole, Backstop, Net and 4 Balls! Backstop $45 Only $300 Net $15 Basketballs $30 each Which is the better deal? Explain why. 3. A group of 5 friends put their money together, hoping that they could all go to the movies. This is how much they gave: $7.25, $5.50, $8.10, $3.25, and $6.90. If a movie ticket costs $6.00, will they have enough money? Explain your answer. AECSD 4th Grade Mathematics.doc 15 Unit 5 Multiplication (N.5, N.6, N.7, N.8, N.9, A.1, A.2) Length: ~ 3 weeks Timeframe: Mid-December to Early January State Standards (Shaded statements are identified as Post-March Indicators): 4.N.6 Understand, use, and explain the associative property of multiplication 4.N.13 Develop an understanding of the properties of odd/even numbers as a result of multiplication 4.N.16 Understand various meanings of multiplication and division 4.N.17 Use multiplication and division as inverse operations to solve problems 4.N.18 Use a variety of strategies to multiply two-digit numbers by one-digit numbers (with and without regrouping) 4.N.20 Develop fluency in multiplying and dividing multiples of 10 and 100 up to 1,000 4.N.26 Round numbers less than 1,000 to the nearest tens and hundreds 4.N.27 Check reasonableness of an answer by using estimation 4.A.1 Evaluate and express relationships using open sentences with one operation 4.A.3 Find the value or values that will make an open sentence true, if it contains < or > 4.A.4 Describe, extend, and make generalizations about numeric (+, -, *, /) and geometric patterns 4.A.5 Analyze a pattern or a whole-number function and state the rule, given a table or an input/output box Local Standards (Stricken text is covered in a different unit): L.4.N.5 Develop estimation strategies and skills (including rounding to nearest 10, 100, or 1,000); estimate answers before solving problems and compare estimate with outcome to determine the reasonableness of results. L.4.N.6 Count by 1000's; identify when multiplication results in even versus odd numbers L.4.N.7 Recognize patterns for products and quotients including fact families; use and explain the associative property of multiplication (e.g. (2 * 3) * 4 = 2 * (3 * 4)) L.4.N.8 Master multiplication and division facts with products and dividends up to 144; develop fluency multiplying and dividing by multiples of 10 and 100 up to 1,000 (e.g. 20 * 300). L.4.N.9 Multiply two-digit by one- and two-digit numbers; divide two-digit by one-digit numbers (with and without remainders); recognize multiplication and division as inverse operations and as repeated addition or subtraction, respectively. L.4.A.1 Recognize, describe, extend, and create numeric and geometric patterns; analyze a numeric input and output pattern or function and state the rule (e.g. each number is multiplied by 3) L.4.A.2 Express relationships as open sentences; find a value or values that make an open sentence true including sentences containing the symbols < or >. Big Ideas: Basic facts, estimation, and place value are used to understand multiplication. Multiplication is a shortcut for repeated multiplication of the same amount. Numbers can be grouped in different ways without affecting the product of the numbers. AECSD 4th Grade Mathematics.doc 16 Essential Questions: What is multiplication? Does the product change when you change the grouping of multiplication? Prior Knowledge: To multiply numbers with products up to 144 Mastery of multiplication facts with single-digit factors To identify and apply the multiplication properties of 0 and 1 (identity property) To understand fact families Unit Objectives: To master multiplication facts with products up to 144 To recognize patterns for products To recognize and create multiplication fact families To use and explain the associative property To multiply two-digit numbers by one-digit numbers To recognize when the product of two numbers will be odd or even To find the value or values of an open multiplication sentence that will make the sentence true, using < or > To analyze a numeric input and output pattern and state the rule To determine the next output value in a numeric input and output pattern To state a rule for a numeric input and output pattern To identify key words when solving multiplication word problems Resources: SFAW Math, 147-160 (Review of Facts), 199-205, 209-215, 224-227, 230-233 Review Template: Comparing Unit Fractions: Compare the following fractions using <, >, or = 1/2 O 1/3 1/6 O 1/4 1/5 O 1/10 Division Facts Solve: 56 ÷ 8 = ___ Solve: 28 ÷ 4 = ___ Solve: 49 ÷ 7 = ___ Algebraic Equations Solve: n + 8 = 11 Solve: 16 + n = 25 Solve: 25 + 50 = n Problem Solving: 1. Dan wants to have 2 pencils for every week of school. If there are 36 weeks of school, how many pencils will he need? 2. (3 × 7) × 14 = 3 × (7 × 14) Is the number sentence true? Explain how you know whether or not the number sentence is true? 3. Linda and Casey started with 48 boxes of Girl Scout cookies. They went out together to sell cookies for four days. Each day, they sold 6 boxes. How many cookies did they have left on the fourth day? How many days will it take them to sell all of the cookies? AECSD 4th Grade Mathematics.doc 17 Unit 6 Division (N.7, N.8, N.9) Length: ~ 3 weeks Timeframe: Early January to Late January State Standards (Shaded statements are identified as Post-March Indicators): 4.N.16 Understand various meanings of multiplication and division 4.N.17 Use multiplication and division as inverse operations to solve problems 4.N.20 Develop fluency in multiplying and dividing multiples of 10 and 100 up to 1,000 4.N.21 Use a variety of strategies to divide two-digit dividends by one-digit divisors (with and without remainders) 4.N.22 Interpret the meaning of remainders Local Standards (Stricken text is covered in a different unit): L.4.N.7 Recognize patterns for products and quotients including fact families; use and explain the associative property of multiplication (e.g. (2 * 3) * 4 = 2 * (3 * 4)) L.4.N.8 Master multiplication and division facts with products and dividends up to 144; develop fluency multiplying and dividing by multiples of 10 and 100 up to 1,000 (e.g. 20 * 300). L.4.N.9 Multiply two-digit by one- and two-digit numbers; divide two-digit by one-digit numbers (with and without remainders); recognize multiplication and division as inverse operations and as repeated addition or subtraction, respectively. Big Ideas: Division is sharing equally and repeated subtraction. Essential Questions: What is division? What are the steps in solving a division problem? Why? What is a remainder and why do we have them? How do you use inverse operations to check problems? Prior Knowledge: Mastery of division facts with single-digit quotients To know how to divide with dividends up to 144 To know the 0 and 1 property of division To understand fact families Unit Objectives: To master division facts with quotients up to 144 To recognize patterns for quotients To recognize and create division fact families To divide two-digit dividends by single-digit numbers with and without remainders To divide three-digit dividends (not required) by single-digit numbers with and without remainders To find the value or values of an open division sentence that will make the sentence true, using < or > AECSD 4th Grade Mathematics.doc 18 To analyze a numeric input and output pattern and state the rule To identify key words when solving division word problems To recognize multiplication and division as inverse operations Resources: SFAW Math, pages 165-183 (Division Facts and Word Problems), 291-305, 316, 317, 320, 321 Review Template: Open Sentences Complete the sentence to make it true: 10 + > 12 5+8< 6+ Open Sentences Complete the sentence to make it true: 6 × < 18 24 > 8 × +7< 8 7×6 7×7 Place Value Write the number for the word form: Sixteen thousand, five hundred sixty-two Twenty-nine thousand, seventy-eight Three hundred thousand, two Problem Solving One night Ali was paid $12.00 for baby-sitting from 5:00 p.m. to 8:00 p.m. How much was she paid for each hour? AECSD 4th Grade Mathematics.doc 19 Unit 7 Geometry (G.1, G.4, G.5) Length: ~ 2 weeks Timeframe: Late January to Mid-February State Standards (Shaded statements are identified as Post-March Indicators): 4.G.1 Identify and name polygons, recognizing that their names are related to the number of sides and angles (triangle, quadrilateral, pentagon, hexagon, and octagon) 4.G.2 Identify points and line segments when drawing a plane figure 4.G.3 Find perimeter of polygons by adding sides 4.G.4 Find the area of a rectangle by counting the number of squares needed to cover the rectangle 4.G.5 Define and identify vertices, faces, and edges of three-dimensional shapes Local Standards (Stricken text is covered in a different unit): L.4.G.1 Identify and name polygons (triangle, quadrilateral, pentagon, hexagon, octagon) connecting names to number of sides; define and identify parts of threedimensional shapes (vertices, faces, edges). L.4.G.4 Draw and identify points, line segments and rays; draw and identify intersecting, perpendicular, and parallel lines; draw angles and classify as acute, right, obtuse, or straight. L.4.G.5 Find the perimeter of polygons given the lengths of its sides; find the area of a rectangle by counting squares Big Ideas: Polygons and three-dimensional shapes can be found all around us. A difference exists between perimeter and area. Essential Questions: What is the difference between a polygon and a three-dimensional shape? When do you need to find the perimeter? When do you need to find the area? What polygons or three-dimensional figures are found in your house? How do the number of vertices, faces, and edges change when you look at a polygon and a three-dimensional figure? Prior Knowledge: To identify similar and congruent figures To identify and perform transformations (slide, flip, or turn) To identify and draw lines of symmetry To define two-dimensional shapes To name, describe, and compare three-dimensional shapes Unit Objectives: To review similar and congruent figures, transformations, and symmetry (see prior knowledge) AECSD 4th Grade Mathematics.doc 20 To identify and name polygons, recognizing that their names are related to the number of sides and angles To define and identify parts of three-dimensional shapes (vertices, faces, edges) To identify points and line segments when drawing a plane figure To find perimeter by adding sides To find the area of a rectangle by counting the number of squares needed to cover the rectangle Resources: SFAW Math, pages 343-347, 352-356 (Review of similar/congruent), 360-361, 362 and 363 (Review of symmetry), 367-371 Review Template: Adding and Subtracting Money Solve: $0.55 + $3.99 Solve: $5.00 − $2.76 Solve: $31.09 + $8.77 Elapsed Time Determine the amount of time that has elapsed. 6:30 am – 10:00 am 12:45 pm – 3:45 pm 8:00 pm – 11:30 pm Multiplication Write a multiplication fact for the following addition sentences. 3 + 3 + 3 + 3 = __________ 7 + 7 + 7 + 7 + 7 + 7 = __________ 4 + 4 = ___________ Multiplication Write the multiplication fact that will help solve the division problem. 81 ÷ 9 = ___________ 36 ÷ 3 = ___________ 77 ÷ 7 = ___________ Problem Solving: 1. Michael, Colin, Nick and Steve are standing in line. *Michael and Nick are next to each other. *Colin is last in line. *Steve is not next to either Colin or Nick. Write the order in which the boys are standing. 2. Brian’s dog had 8 puppies. AECSD 4th Grade Mathematics.doc 21 Each puppy was either all black, all tan, or all white. There were 2 black puppies. There were twice as many white puppies as tan puppies. How many white puppies did Brian’s dog have? Explain how you found your answer. AECSD 4th Grade Mathematics.doc 22 Unit 8 Measurement (M.2, M.4, M.5) Length: ~ 2 weeks Timeframe: February State Standards (Shaded statements are identified as Post-March Indicators): 4.M.1 Select tools and units (customary and metric) appropriate for the length being measured 4.M.2 Use a ruler to measure to the nearest standard unit (whole, 1/2 and 1/4 inches, whole feet, whole yards, whole centimeters, and whole meters) 4.M.3 Know and understand equivalent standard units of length: 12 inches = 1 foot, 3 feet = 1 yard 4.M.4 Select tools and units appropriate to the mass of the object being measured (grams and kilograms) 4.M.5 Measure mass, using grams 4.M.6 Select tools and units appropriate to the capacity being measured (milliliters and liters) 4.M.7 Measure capacity, using milliliters and liters Local Standards (Stricken text is covered in a different unit): L.4.M.2 Estimate, measure (using appropriate tools and units (i.e. 1/4 inches and whole centimeters and meters)), compare, and order the lengths (heights) of objects; know and understand equivalent standard units: 12 inches = 1 foot, 3 feet = 1 yard). L.4.M.4 Estimate, measure (grams and kilograms), and compare the mass of objects using appropriate tools. L.4.M.5 Estimate, measure (milliliters and liters), and compare the volume (capacity) of objects using appropriate tools. Big Ideas All over the world, different tools and units are used to measure length, mass, and volume. Essential Questions: How does estimation save you time and effort? When would you need exact measurements? Prior Knowledge: Estimating, measuring, and comparing volumes Estimating, measuring, and comparing masses Estimating and measuring lengths (1/2 inches and yards) Knowledge of the appropriate tools to measure length, (customary), mass, and volume Unit Objectives: To select tools and units for measuring length (customary and metric) To use a ruler to measure length to the nearest standard unit (whole, 1/2, and 1/4 inches, whole feet, whole yards, whole centimeters, whole meters) AECSD 4th Grade Mathematics.doc 23 To know and understand equivalent standard units of length (12 inches = 1 foot, 3 feet = 1 yard) To estimate, measure, and compare mass, using grams and kilograms To estimate, measure, and compare volume, using milliliters and liters Resources: SFAW Math, pages 413-419, 503-507, 510-513 Review Template: Multiplication Patterns Solve: 3 × 6 = ___ 3 × 60 = ___ 3 × 600 = ___ 4 × 8 = ___ 4 × 80 = ___ 4 × 800 = ___ 6 × 7 = ___ 6 × 70 = ___ 6 × 700 = ___ Multiplication Solve: 50 × 8 = ___ 44 × 3 = ___ 852 × 5 = ___ Division with Remainders Solve: 65 ÷ 8 = ___ 38 ÷ 6 = ___ 59 ÷ 9 = ___ Problem Solving: In the space below, draw a rectangle that is 8 centimeters long and 5 centimeters wide. What is the perimeter of the rectangle? Each child in Miss Benton’s class is making a 1-yard long paper chain. So far, Tina has made 20 inches of her chain. How many more inches does she still have to make? AECSD 4th Grade Mathematics.doc 24 State Assessment Review and Administration Length: ~ 2 weeks Timeframe: February 27 to March 10 (State Assessment: 3/8, 3/9, and 3/10) AECSD 4th Grade Mathematics.doc 25 Unit 9 Fractions (N.1, N.3, N.10) Length: ~ 3 weeks Timeframe: Mid-March to Late March State Standards (Shaded statements are identified as Post-March Indicators): 4.N.7 Develop an understanding of fractions as locations on number lines and as divisions of whole numbers 4.N.8 Recognize and generate equivalent fractions (halves, fourths, thirds, fifths, sixths, and tenths) using manipulatives, visual models, and illustrations 4.N.9 Use concrete materials and visual models to compare and order unit fractions or fractions with the same denominator (with and without the use of a number line) 4.N.23 Add and subtract proper fractions with common denominators 4.A.2 Use the symbols <, >, =, and ≠ (with and without the use of a number line) to compare whole numbers and unit fractions and decimals (up to hundredths) Local Standards (Stricken text is covered in a different unit): L.4.N.1 Read and write whole numbers 0 to 10,000; read and write fractions (see L.4.N.10); read and write decimals to hundredths place (see L.4.N.11); convert between fractions and decimals (to hundredths). L.4.N.3 Compare and order whole numbers to 10,000; compare and order unit fractions or proper fractions with common denominators (halves thru sixths and tenths); compare and order decimals to hundredths; use the symbols <, >, =, and . L.4.N.10 Develop understanding of fractions (including as division of whole numbers); recognize and find equivalent fractions (halves thru sixths, and tenths); compare and order (see L.4.N.3) fractions; add and subtract proper fractions with common denominators. Big Ideas: Fractions are a representation of parts to a whole. In unit fractions, the larger the denominator, the smaller amount. Essential Questions: What patterns do you notice among numerators and denominators of equivalent fractions? How does finding equivalent fractions help you compare fractions? Why doesn’t the denominator change when you add or subtract fractions with common denominators? Prior Knowledge: To name fractions To understand and represent unit fractions To know the meaning of numerator and denominator Unit Objectives: To recognize and write equivalent fractions (halves, thirds, fourths, fifths, sixths, and tenths) AECSD 4th Grade Mathematics.doc 26 To compare and order unit fractions or fractions with the same denominator (with and without a number line), using concrete materials and visual models To add and subtract proper fractions with common denominators Resources: SFAW Math, pages 385-391 (Review of Fractions), 398-403, 406-407, 431-433, 443-445 Review Template: Multiplying Money Solve: $1.36 × 5 = _____ $4.08 × 3 = _____ $7.82 × 7 = _____ Subtracting Money Solve: $2.00 − $0.46 = _____ $5.00 − $2.33 = _____ $8.75 − $7.88 = _____ Finding Change Solve: Amount Paid: $5 Price: $3.75 Change: ______ Amount Paid: $10 Price: $5.99 Change: ______ Amount Paid: 1 five-dollar bill, 3 one-dollar bills Price: $4.35 Change: ______ AECSD 4th Grade Mathematics.doc 27 Unit 10 Decimals (N.1, N.3, N.11) Length: ~ 3 weeks Time frame: Early April to Late April State Standards (Shaded statements are identified as Post-March Indicators): 4.N.10 Develop an understanding of decimals as part of a whole 4.N.11 Read and write decimals to hundredths, using money as a context 4.N.12 Use concrete materials and visual models to compare and order decimals (less than 1) to the hundredths place in the context of money 4.N.24 Express decimals as an equivalent form of fractions to tenths and hundredths 4.N.25 Add and subtract decimals to tenths and hundredths using a hundreds chart 4.A.2 Use the symbols <, >, =, and ≠ (with and without the use of a number line) to compare whole numbers and unit fractions and decimals (up to hundredths) Local Standards (Stricken text is covered in a different unit): L.4.N.1 Read and write whole numbers 0 to 10,000; read and write fractions (see L.4.N.10); read and write decimals to hundredths place (see L.4.N.11); convert between fractions and decimals (to hundredths). L.4.N.3 Compare and order whole numbers to 10,000; compare and order unit fractions or proper fractions with common denominators (halves thru sixths and tenths); compare and order decimals to hundredths; use the symbols <, >, =, and ≠ L.4.N.11 Develop understanding of decimals (to hundredths place) as part of a whole; read, write, and order (see L.4.N.3) decimals to hundredths (connect to money application); add and subtract decimals to hundredths place. Big Ideas: Decimals are fractional parts of a whole number. Every (non-repeating) decimal can be expressed as a fraction whose denominator is a multiple of ten. When comparing decimals, compare each place in order until one is larger than the other. Essential Questions: How is a whole number different than a decimal? What does a decimal look like using words? What does a decimal look like using digits? When you have two decimals, how do you know which is larger? Prior Knowledge: To identify that decimal points are used in money Unit Objectives: To read and write decimals up to the hundredths To order decimals up to the hundredths To compare decimals up to hundredths, using <, >, =, and ≠. To add and subtract decimals To express decimals as an equivalent form of fractions to tenths and hundredths AECSD 4th Grade Mathematics.doc 28 Resources: SFAW Math, pages 475-479, 482-487, 492-499 Review Template: Equivalent Fractions Write an equivalent fraction. Rounding Round to the nearest hundred. 1/2 = __ 2/3 = __ 4/10 = __ 567 rounds to ____ 349 rounds to ____ 999 rounds to ____ Estimating the sum Estimate the sum to the nearest hundred. AECSD 4th Grade Mathematics.doc 234 + 275 = ____ 505 + 333 = ____ 881 + 192 = ____ 29 Unit 11 Geometry (G.4) Length: ~ 2 weeks Timeframe: Early May to Mid-May State Standards (Shaded statements are identified as Post-March Indicators): 4.G.2 Identify points and line segments when drawing a plane figure 4.G.6 Draw and identify intersecting, perpendicular, and parallel lines 4.G.7 Identify points and rays when drawing angles 4.G.8 Classify angles as acute, obtuse, right, and straight Local Standards (Stricken text is covered in a different unit): L.4.G.4 Draw and identify points, line segments and rays; draw and identify intersecting, perpendicular, and parallel lines; draw angles and classify as acute, right, obtuse, or straight. Big Ideas: Cities are designed with intersecting, perpendicular, and parallel lines. Most buildings are constructed with right angles. Points and line segments are the building blocks of geometric shapes. Essential Questions: What is the difference between intersecting, perpendicular, and parallel lines? How are angles classified? Prior Knowledge: None identified. Unit Objectives: To identify and draw a point, a line segment, and a line. To identify and draw intersecting, perpendicular, and parallel lines To identify points and rays when drawing angles To classify angles as acute, obtuse, right, and straight Resources: SFAW Math, pages 350-351, 358-359 Review Template: Adding Fractions Solve: 1/4 + 2/4 = __ Subtracting Fractions Solve: 9/10 − 3/10 = ___ 2/6 + 2/6 = __ 1/10 + 6/10 = __ 4/8 − 1/8 = ___ 5/5 − 4/5 = ___ Decimals Write the decimal: AECSD 4th Grade Mathematics.doc 30 four tenths ______ seven hundredths ______ nine and sixty two hundredths ______ AECSD 4th Grade Mathematics.doc 31 Unit 12 Multiplication of 2 Digit Factors (N.5, N.7, N.8, N.9) Length: ~ 3 weeks Timeframe: Mid-May to Early June State Standards (Shaded statements are identified as Post-March Indicators): 4.N.26 Round numbers less than 1,000 to the nearest tens and hundreds 4.N.27 Check reasonableness of an answer by using estimation 4.N.20 Develop fluency in multiplying and dividing multiples of 10 and 100 up to 1,000 4.N.16 Understand various meanings of multiplication and division 4.N.18 Use a variety of strategies to multiply two-digit numbers by one-digit numbers (with and without regrouping) 4.N.19 Use a variety of strategies to multiply two-digit numbers by two-digit numbers (with and without regrouping) Local Standards (Stricken text is covered in a different unit): L.4.N.5 Develop estimation strategies and skills (including rounding to nearest 10, 100, or 1,000); estimate answers before solving problems and compare estimate with outcome to determine the reasonableness of results. L.4.N.7 Recognize patterns for products and quotients including fact families; use and explain the associative property of multiplication (e.g. (2 * 3) * 4 = 2 * (3 * 4)) L.4.N.8 Master multiplication and division facts with products and dividends up to 144; develop fluency multiplying and dividing by multiples of 10 and 100 up to 1,000 (e.g. 20 * 300). L.4.N.9 Multiply two-digit by one- and two-digit numbers; divide two-digit by one-digit numbers (with and without remainders); recognize multiplication and division as inverse operations and as repeated addition or subtraction, respectively. Big Ideas: Basic facts, estimation, and place value are used to understand multiplication. Essential Questions: How is mental math helpful when estimating products? Prior Knowledge: Mastery of basic facts up to products of 144 Knowledge of multiplying two-digit by one-digit numbers Unit Objectives: To estimate products of two-digit factors To explore multiplication patterns To multiply two-digit by two-digit numbers Resources: SFAW Math, pages 249-255, 260-263 AECSD 4th Grade Mathematics.doc 32 Review Template: Comparing Decimals Write the decimals in order from greatest to least. .3, .8, .1, .6 .72, .7, .25, .3 .9, 1.5, 1.48, .92 Converting Fractions to Decimals Change each fraction to a decimal: 1/10 = ___ Place Value Give the value of each underlined digit. 14, 350 56,921 AECSD 4th Grade Mathematics.doc 4/10 = ___ 35/100 = ___ 85,730 33
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