Project GRAD Atlanta Teaching Plans Fifth Grade Unit Overview Unit 3: Fractional Understanding and Operations (7 weeks) Georgia Performance Standards M5N1a Classify the set of counting numbers into subsets with distinguishing characteristics (odd/even, prime/composite). M5N1b M5N1c Find multiples and factors, Analyze and use divisibility rules. M5N4a Understand division of whole numbers can be represented as a fraction (a/b = a ÷ b). M5N4b M5N4c Understand the value of a fraction is not changed when both its numerator and denominator are multiplied or divided by the same number because it is the same as multiplying or dividing by one. Find equivalent fractions and simplify fractions M5N4d Model the multiplication and division of common fractions. M5N4e Explore finding common denominators using concrete, pictorial, and computational models. M5N4f Use <, >, or = to compare fractions and justify the comparison. M5N4g Add and subtract common fractions and mixed numbers with unlike denominators. M5N4h Use fractions (proper and improper) and decimals interchangeably. M5N4i Estimate products and quotients. Essential Questions • • • • • • • • • • • • • • • • How do we know if a number is prime or composite? How do we determine by which factors a number is divisible? How can we determine whether a number is odd or even? How are factors and multiples defined? How does knowing the divisibility rules help us solve problems? How are fractions and decimals related? What are some strategies we can use to compare fractions and decimals? How are division, fractions, and mixed numbers related? How can we find equivalent fractions? In what ways can we model equivalent fractions? How can we use equivalent fractions to simplify fractions? What happens to the value of a fraction when the numerator and denominator are multiplied or divided by the same number? How are equivalent fractions related? How do we use equivalent fractions to find common denominators? How do we add and subtract fractions with unlike denominators? What strategies can we use to compare fractions? 1 • • • • • • • • • • • How can we find equivalent fractions? How are fractions and decimals related? How can we use fractions to help us solve problems? Which problem solving strategies can we use to solve this problem? How can we model the multiplication and division of common fractions? What contexts require multiplication and/or division of fractions to solve problems? How can we find equivalent fractions and simplify fractions? How can we model the multiplication and division of common fractions? How can we find common denominators using concrete, pictorial, and computational models? How can we add and subtract common fractions and mixed numbers with unlike denominators? How can we use fractions (proper and improper) and decimals interchangeably? Enduring Understandings • • • • • A fraction is another representation for division. Equivalent fractions represent the same value. Whole numbers can be classified into subsets. Divisibility rules can be used to find equivalent fractions quickly. Fractions and decimals are different representations for the same amounts and can be used interchangeably. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice 1 State Standards M5N1 Objectives Identify patterns in multiples (10/24/11) 2 M5N1 Identify patterns in multiples 3 Week: 1 Problem Solving Mental Math: MMMG, “Tack on Trailing Zeros,” pp. 81 - 82 Complete a simple frequency table or line plot Compare and convert length, weight and time measurement units Divide a decimal by a decimal Unit Day Unit: Solve problems involving multiplication and division of money amounts by whole numbers Focus Lessons Resources Materials GPS Framework Unit 3: Fractional Understanding and Operations, “The Sieve of Eratosthenes,” pp. 12 – 17 (Day 1) • GPS Framework Unit 3: Fractional Understanding and Operations, “The Sieve of Eratosthenes,” pp. 12 – 17 (Day 2) • • • “Sieve of Eratosthenes” Recording Sheet Colored pencils, markers, highlighters or crayons “Exploring the Sieve of Eratosthenes” Recording Sheet Colored pencils, markers, highlighters or crayons 3 M5N1 Investigate and apply divisibility rules Math Expressions, “Going Further: Divisibility Rules for 2, 5, and 10, p. 644 • Student Activity Workbook, p. 305 4 M5N1 Synthesize skills with multiples, factors, place value, and numeric expressions GPS Framework Unit 3: Fractional Understanding and Operations, “Number Riddles,” pp. 18 – 22 (Day 1) • • “Number Riddles” Recording Sheet “Sieve of Eratosthenes” Recording Sheet (from Unit Day 1) 5 M5N1 Synthesize skills with multiples, factors, place value, and numeric expressions GPS Framework Unit 3: Fractional Understanding and Operations, “Number Riddles,” pp. 18 – 22 (Day 2) Materials from previous lesson 3 Variety of Instructional Tasks Homework Weekly Focus: Use patterns to solve a problem with “Multiple Patterns” from Math Expressions, p. 49. Maintenance: Practice multiplication of decimals with “Number Search” from Math Expressions, “Multiply by Decimals” Activity 2 Multiply Two Decimals, pp. 564 – 567 Maintenance: Estimate and measure perimeter with Geometry and Fractions with Tangrams, pp. 56 – 59. (assorted titles) Weekly Focus: Identify factor pairs for whole numbers through 100 Maintenance: Solve problems with data from charts or graphs Skill: Divide a decimal by a decimal Exploration: Create a class chart of common equivalent fractions with “Fraction Experts” from Constructing Ideas About Fractions, Decimals, and Percents, pp. 2 – 7, to use throughout Unit 3. Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Intervention: Reflection with Closure/Journal Is it possible to have a prime number greater than 100? How could I find larger prime numbers? Assessments Weekly Focus: Selected Quick Check and Math Expressions Unit 1 items Skill Mastery: Divide a decimal by a decimal 5.35 ÷ 0.5 = 22.8 ÷ 0.24 = 14.79 ÷ 0.3 = 3.44 ÷ 1.6 = Higher Level Questions • • • Will divisibility rules apply beyond two- and three-digit numbers? Which types of numbers have the most factors? Why? Which relationships among factors make it easier to recall divisibility rules and find common factors? Vocabulary • • • • Divisibility Multiple Factor Equivalent 1.8 ÷ 2.4 = Literacy GPS ELA5R3. Understands and acquires new vocabulary and uses it correctly in reading and writing. ELA5W2d. Produces informational writing that includes appropriate facts and details. ELA5LSV1l. Clarifies, illustrates, or expands on a response when asked to do so. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice Unit: 3 Week: 2 Problem Solving Number Sense: Count forward and backward by halves and five tenths (Skill Mastery) Apply order of operations to solve for the unknown Add and subtract fractions with like denominators Division of whole numbers Solve problems involving measurement units for mass and weight Math Expressions, “Metric Measures of Mass” and “Customary Measures of Weight,” pp. 501 - 502 Focus Lessons Unit Day State Standards 6 M5N4a, f M5A1b Recognize fractions as division problems 7 M5N4a, f M5A1b Recognize fractions as division problems 8 M5N4b, c, e 9 M5N4b, c, e Resources Objectives Materials GPS Framework Unit 3: Fractional Understanding and Operations, “The Quotient is Greater than 1,” pp. 23 – 26 (Day 1) GPS Framework Unit 3: Fractional Understanding and Operations, “The Quotient is Greater than 1,” pp. 23 – 26 (Day 2) • Develop an understanding of equivalent fractions through area, length, and set models GPS Framework Unit 3: Fractional Understanding and Operations, “Playing with Fractions,” pp. 27 – 49 (Day 1) • Develop an understanding of equivalent fractions through area, length, and set models GPS Framework Unit 3: Fractional Understanding and Operations, “Playing with Fractions,” pp. 27 – 49 (Day 2) • Materials from previous lesson • • • 10 M5N4b, c, e Develop an understanding of equivalent fractions through area, length, and set models GPS Framework Unit 3: Fractional Understanding and Operations, “Playing with Fractions,” pp. 27 – 49 (Day 3) 5 “The Quotient is Greater than One” student recording sheet • • “Playing with Fractions, Circle Fractions” student recording sheet Fraction Cakes “Playing with Fractions, Paper Folding” student sheet “Playing with Fractions, Fraction Strips” student recording sheet Paper strips “Playing with Fractions, Fractions of a Set” student recording sheet Two color counters Variety of Instructional Tasks Homework Weekly Focus: Solve problems involving fractional parts of wholes with “Given One Part, Show the Whole” and “Given Parts, Show the Whole” from Geometry and Fractions with Geoboards, pp. 32 – 33 and 29. Weekly Focus: Generate and model simple equivalent fractions Maintenance: Construct and classify polygons with “Polygon Chart” from Geometry and Fractions with Tangrams, p. 21. Maintenance: Investigate and apply divisibility rules to solve problems with “Divide and Conquer,” including the ‘Going Beyond’ activities, from Problem Parade, pp. 81 – 82. Exploration: Apply function rules to solve problems with “Function Factory A-C” and “Forth and Back A-C” from Groundworks Algebra Puzzles and Problems, pp. 80 – 83 and 88 – 91. Maintenance: Solve word problems involving adding and subtracting fractions with like denominators Skill: Count forward and backward by halves and fivetenths Intervention: Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Reflection with Closure/Journal Do fractions have a finite or infinite amount of equivalents? How can I prove that? Assessments Weekly Focus: Selected Quick Check items Skill Mastery: Fill in the missing numbers to complete the counting sequences 1. 1/2 1 1 1/2 _____ _____ 3 2. 28 28 1/2 _____ _____ 30 ____ 3. 3.5 ____ 2.5 _____ _____ 1 4. 12 ____ _____ 10.5 _____ ____ 5. 18 18.5 _____ _____ 20 ____ _____ _____ _____ 9 _____ Higher Level Questions • • • • Is it necessary to simplify fractions? When would finding equivalent fractions be helpful in real-world situations? Prove that equivalent fractions only look different and do represent equal quantities. How do you apply the identity property of multiplication when finding equivalent fractions? _____ 32 _____ 22 Vocabulary • • • • • Simplify Common denominator Improper fraction Proper fraction Equivalent Literacy GPS ELA5R3. Understands and acquires new vocabulary and uses it correctly in reading and writing. ELA5W2d. Produces informational writing that includes appropriate facts and details. ELA5LSV1d. Uses language cues to indicate different levels of certainty or hypothesizing. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice 11 State Standards M5N4b, c, e, f Objectives Explore the relationship between equivalent fractions Focus Lessons Resources GPS Framework Unit 3: Fractional Understanding and Operations, “Equivalent Fractions,” pp. 50 – 57 (Day 1) • “Equivalent Fractions, ” student recording sheet • “Equivalent Fractions, ” student recording sheet M5N4b, c, e, f M5N4a, b, c Explore the relationship between equivalent fractions Write equations for equivalent fractions using the product and quotient of a fraction equivalent to one Generate and explain equivalent fractions GPS Framework Unit 3: Fractional Understanding and Operations, “Equivalent Fractions,” pp. 50 – 57 (Day 2) Materials from previous lesson Math Expressions, “Discover Equivalent Fractions,” pp. 415 - 423 • • • • • Student Activity Book, pp. 203 – 206 Fraction cakes or bars Equivalent Fractions, master M31 Fraction Match-Up Cards, master M32 Scissors and rulers Math Expressions, “Equivalent Fractions and Multipliers,” pp. 425 - 431 • • Student Activity Book, pp. 207 – 208 Tens and Hundreds Grids, master M33 Timer or a clock with a second hand Understand and apply the terms equivalent and simplify 14 Materials Teacher Professional Learning Day (11/8/11) 13 Week: 3 Estimate and solve single- and multi-step problems Use a variable to represent the unknown quantity Apply the Logical Reasoning strategy to solve process problems PSEIM, Set 7, pp. 25 - 28 Write equations for equivalent fractions using the product and quotient of a fraction equivalent to one 12 3 Problem Solving Mental Math: MMMG, “Tack on Trailing Zeros,” pp. 83 – 84 Find the Greatest Common Factor of two whole numbers Multiply decimal amounts by decimal amounts Find factor pairs and classify as prime or composite Unit Day Unit: M5N4a, b, c Simplify and unsimplify fractions • 7 Variety of Instructional Tasks Homework Weekly Focus: Identify equivalent fractions with “Equivalent Fraction Rummy” from Math Games and Activities, Volume 2, pp. 037 and 98 – 104. (available in the Game Packet) Weekly Focus: Find common denominators Maintenance: Construct and classify polygons with “Polygon Chart” from Geometry and Fractions with Tangrams, p. 21. Maintenance: Simplify fractions, including improper fractions Maintenance: Investigate and apply divisibility rules to solve problems with “Divide and Conquer,” including the ‘Going Beyond’ activities, Problem Parade, pp. 81 – 82. Exploration: Apply function rules to solve problems with “Function Factory A-C” and “Forth and Back A-C” from Groundworks Algebra Puzzles and Problems, pp. 80 – 83 and 88 – 91. Skill: Find factor pairs and classify numbers as prime or composite Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Intervention: Reflection with Closure/Journal How does understanding of factors and multiples help finding equivalent fractions? Assessments Weekly Focus: Selected Quick Check and Math Expressions Unit 3 items Skill Mastery: List the factor pairs for the following numbers. Classify as prime or composite: 78 33 35 49 Higher Level Questions • • • • How do you apply the identity property of multiplication when finding equivalent fractions? What fraction concepts and estimation strategies can be used to compare fractions? Is finding the Least Common Denominator always the most efficient method to compare fractions? Why are common fractions used in some real-world situations and their decimal equivalents are used in others? 51 Vocabulary • • • • Simplify Common denominator Greatest common factor (GCF) Equivalent Literacy GPS ELA5R3. Understands and acquires new vocabulary and uses it correctly in reading and writing. ELA5W2d. Produces informational writing that includes appropriate facts and details. ELA5LSV1c. Responds to questions with appropriate information. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice Unit: 3 Week: 4 Problem Solving Number of the Week: Include representations using fractional amounts and order of operations Simplify fractions Use divisibility rules Estimate and solve single- and multi-step problems Use a variable to represent the unknown quantity Apply the Make a Table/Look for a Pattern strategy to solve process problems PSEIM, Set 13, pp. 49 - 52 Focus Lessons Resources Unit Day State Standards 15 M5N4b, c, e, g, h Solve problems requiring adding and subtracting fractions and mixed numbers with unlike denominators GPS Framework Unit 3: Fractional Understanding and Operations, “Gone Hiking,” pp. 58 – 65 (Day 1) • • “Gone Hiking” student recording sheet Fraction cakes or fraction bars 16 M5N4b, c, e, g, h Solve problems requiring adding and subtracting fractions and mixed numbers with unlike denominators GPS Framework Unit 3: Fractional Understanding and Operations, “Gone Hiking,” pp. 58 – 65 (Day 2) • • “Gone Hiking” student recording sheet Fraction cakes or fraction bars 17 M5N1b, c M5N4b, c, e, f Find the common denominators for two fractions Connections 5, “Dandy Denominators,” pp. 52 - 54 • Fraction cakes or other fraction manipulative in place of Fraction Factory Pieces 18 M5N4a, f, h Convert common fractions to decimals Math Expressions, “Find Decimal Equivalents of Fractions,” pp. 747 - 752 • • • • Student Activity Book, pp. 351 – 352 MathBoard materials Number cubes Stop watch or clock with a second hand Optional: Calculators 19 M5N4a, h Find decimal equivalents for less common fractions Constructing Ideas About Fractions, Decimals and Percents, “Repeaters,” pp. 68 – 73 • Objectives Materials • 9 • • Base ten materials, including a representation for thousandths Calculators Student sheet, p. 70 Variety of Instructional Tasks Homework Weekly Focus: Identify fractions and decimal equivalents with “Fraction and Decimal Match Up” from GPS Framework Unit 3: Fractional Understanding and Operations, pp. 65 – 72. Maintenance: Use four or five number generators to apply order of operations with “Snail Trail” from the MIM Professional Development Manual, Powerful Counting Techniques Maintenance: Compare fractions with “Fraction War” from All Hands on Deck,” p. 117, and identify equivalent fractions with “Equivalent Fraction Rummy” from Math Games and Activities, Volume 2, pp. 037 and 98 – 104 (available in the Game Packet) Exploration: Develop integer concepts with the Tug-of-War game from the Game Packet or the Chamber Game from the Instructional Packet. Weekly Focus: Identify common fraction and decimal equivalents Maintenance: Compare and order fractions and mixed numbers Skill: Use divisibility rules Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Intervention: Reflection with Closure/Journal Is it necessary to have both decimal and fractional representations for the same quantity? Would it be possible to use only decimal or fractional numbers? Assessments Weekly Focus: Selected Quick Check items Skill Mastery: Use divisibility rules to determine whether each number is divisible by 2, 3, 4, 5, 6, 9 or 10 4012 ______ 678 _______ 5742 ______ 8820 ________ Higher Level Questions • • • • Is finding the Least Common Denominator always the most efficient method to compare fractions? Why are common fractions used in some real-world situations and their decimal equivalents are used in others? What estimation strategies and benchmark quantities can you apply to compare fractional and decimal amounts? What is an efficient strategy for using divisibility rules and knowledge of factors and multiples to find common denominators and equivalent fractions? Vocabulary • • • • • • Simplify Common denominator Improper fraction Proper fraction Greatest common factor (GCF) Equivalent 318 _______ Literacy GPS ELA5R3. Understands and acquires new vocabulary and uses it correctly in reading and writing. ELA5LSV1d. Uses language cues to indicate different levels of certainty or hypothesizing. ELA5LSV1l. Clarifies, illustrates, or expands on a response when asked to do so. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice 20 State Standards Estimate and solve single- and multi-step problems Use a variable to represent the unknown quantity Apply the Draw a Picture strategy to solve process problems PSEIM, Set 16, pp. 61 - 64 Focus Lessons Resources Materials Apply common fraction and decimal equivalents to order common fractions and decimals GPS Framework Unit 3: Fractional Understanding and Operations, “Fraction and Decimal Line-Up,” pp. 73 – 87 • • Laundry cards from Framework task Clothesline and pins (string and paper clips or tape) M5N4a, h Represent and describe common fraction, decimal and percent equivalents Investigations Name That Portion, “Fraction and Percent Grids,” pp. 19 - 22 • • Student Sheets 5 & 6, pp. 137 – 138 Grid paper to make 10 x 10 grids for each student group Map pencils or crayons Optional: Equivalents Chart from Week 4 and calculators “Picture This!” student recording sheet Pattern blocks Paper Markers, crayons, or colored pencils “Picture This!” student recording sheet Pattern blocks Paper Markers, crayons, or colored pencils • • 22 M5N4c, g, h Add and subtract fractions with unlike denominators using pattern blocks to represent the fractions GPS Framework Unit 3: Fractional Understanding and Operations, “Picture This!,” pp. 88 – 91 (Day 1) • GPS Framework Unit 3: Fractional Understanding and Operations, “Picture This!,” pp. 88 – 91 (Day 2) • Instructional Sequence Knowing How Real Fractions Behave, Lessons 9 and 10, pp. 19 – 22 • • Convert mixed numbers to decimals 23 M5N4c, g, h Add and subtract fractions with unlike denominators using pattern blocks to represent the fractions Convert mixed numbers to decimals 24 Week: 5 M5N4c, e, f, h (11/28/11) 21 Objectives 3 Problem Solving Mental Math: MMMG, “Front-End Multiplying,” pp. 85 – 87 Measure and classify interior angles of polygons; determine degrees of rotation around a point Find equivalent fractions Multiply and divide money amounts Unit Day Unit: M5N4e, g M5A1a Add and subtract fractions with unlike denominators 11 • • • • • • Fraction cakes Chart paper Variety of Instructional Tasks Homework Weekly Focus: Understand rules of adding and subtracting fractions with “Fraction Dos and Don’ts” from Constructing Ideas About Fractions, Decimals, and Percents, pp. 50 – 56. Maintenance: Use four or five number generators to apply order of operations with “Snail Trail” from the MIM Professional Development Manual, Powerful Counting Techniques Maintenance: Compare fractions with “Fraction War” from All Hands on Deck,” p. 117, and identify equivalent fractions with “Equivalent Fraction Rummy” from Math Games and Activities, Volume 2, pp. 037 and 98 – 104. (available in the Game Packet) Exploration: Develop integer concepts with the Tug-of-War game from the Game Packet or the Chamber Game from the Instructional Packet. Intervention: Weekly Focus: Add and subtract fractions and mixed numbers Maintenance: Model fraction and decimal equivalents Skill: Multiply and divide money amounts Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Reflection with Closure/Journal Which factors do I use most often when finding common denominators and equivalent fractions? Why is that? Assessments Weekly Focus: Selected Quick Check and Math Expressions Unit 3 items Skill Mastery: Multiply and divide money amounts $6.27 x 33 = $27.48 x 2 = $39.00 ÷ 4 = $7.50 ÷ 15 = Higher Level Questions • • What estimation strategies and benchmark quantities can you apply to compare fractional and decimal amounts? What is an efficient strategy for using divisibility rules and knowledge of factors and multiples to find common denominators and equivalent fractions? Vocabulary • • • • Improper fraction Proper fraction Mixed number Factor $42.66 ÷ 6 = Literacy GPS ELA5W2d. Produces informational writing that includes appropriate facts and details. ELA5LSV1c. Responds to questions with appropriate information. ELA5LSV1l. Clarifies, illustrates, or expands on a response when asked to do so. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice State Standards Objectives 3 Week: 6 Problem Solving Apply the perimeter formula using fractional amounts. Refer to HM Georgia, pp. 422 - 423 Number Sense: Skip-count by 50 to/from any multiple to any number up to 10,000 Add and subtract fractions and mixed numbers Determine the mean, median, mode, and range for a data set Find equivalent fractions Unit Day Unit: Focus Lessons Resources Materials 25 M5N4e, g M5A1a Add and subtract fractions and mixed numbers with unlike denominators Math Expressions, “Solve with Unlike Mixed Numbers,” 461 - 466 • • Student Activity Book, pp. 217 – 218 Play money 26 M5N4e, g M5A1a Add and subtract fractions and mixed numbers with unlike denominators Math Expressions, “Practice with Unlike Mixed Numbers,” pp. 469 - 473 • • • • • Student Activity Book, pp. 219 – 220 Index cards numbered 1 – 20 Grid paper, master M17 Colored pencils and rulers Optional: Fraction cakes or strips 27 M5N1 M5N4 M5D1a, b M5D2 Model multiplication of a fraction by a whole number GPS Framework Unit 3: Fractional Understanding and Operations, “Birthday Cookout,” pp. 92 – 97 • “Birthday Cookout” student recording sheet 28 M5N4d, i M5A1a Explore how to take a fraction of a fraction Math Expressions, “Multiply a Fraction by a Fraction,” pp. 725 – 731 • • • MathBoard materials Colored pencils Index cards Math Expressions, “When Dividing is Also Multiplying,” pp. 755 – 758 • • • • Fraction cakes Student Activity Book, pp. 353 – 354 Scissors Optional: Counters and masking tape Multiply any two fractions together Use variables to represent the unknown products 29 M5N4d, i Recognize that dividing a whole number (w) by a unit fraction gives the same result as w x d 13 Variety of Instructional Tasks Homework Weekly Focus: Practice multiplying fractions with “Multiplying Fractions” from Instructional Sequence Knowing How Real Fraction Behave, pp. 25 – 30 and 37 – 39. Weekly Focus: Multiply fractions Maintenance: Measure angles and determine degrees of rotation with “Angle Measure” and “Pattern Block Sums of Angles” from Geometry and Fractions with Pattern Blocks, pp. 38 – 39 and 14. Maintenance: Solve word problems involving fractions and mixed numbers Maintenance: Develop number sense and mental math strategies with “Trizo” from Math Games and Activities, Volume 2. (available in the Game Packet) Skill: Find equivalent fractions Exploration: Extend patterns to solve problems with “Lattice Logic A-C” and “Construction Count A-C” from Groundworks Algebra Puzzles and Problems, pp. 104 – 107 and 112 – 115. Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Intervention: Reflection with Closure/Journal Use pictures, a number line or only words to explain the solution to 3/4 x 2/3. Why is that my preferred representation? Assessments Weekly Focus: Selected Quick Check and Math Expressions Unit 5 items Skill Mastery: Find equivalent fractions 2/9 = 8/12 = 1/3 = 4/8 = 3/5 = Higher Level Questions • • • • How can you effectively estimate whole number sums and differences when adding and subtracting fractional amounts? How can you immediately know when a fractional sum or difference is in its simplest form? How does multiplication of fractions relate to multiplication of decimals? Even though you are multiplying, why aren’t the products always larger than the factors? Vocabulary • • • • • Common denominator Greatest common factor (GCF) Sum Difference Product Literacy GPS ELA5W2d. Produces informational writing that includes appropriate facts and details. ELA5LSV1d. Uses language cues to indicate different levels of certainty or hypothesizing. ELA5LSV1l. Clarifies, illustrates, or expands on a response when asked to do so. Project GRAD Atlanta Teaching Plans Fifth Grade Warm-Up/Quick Practice 30 State Standards M5N4d, i M5A1a Objectives Divide a fraction by a fraction 3 Week: 7 Problem Solving Mental Math: MMMG, “Front-End Multiplying,” pp. 88 - 90 Convert common fractions to decimals Apply order of operations to solve for the unknown Compare and order fractions Unit Day Unit: Add, subtract, or multiply fractions to solve problems Math Expressions, “Word Problems with Mixed Operations,” p. 764 Focus Lessons Resources Materials Math Expressions, “Division as Reverse Multiplication,” pp. 775 - 782 • • • Student Activity Book, pp. 359 – 360 Square or MathBoard materials Number cards 1 -10 Use variables to represent unknown quotients 31 M5N4b, d, i Model multiplication and division of fractions GPS Framework Unit 3: Fractional Understanding and Operations, “My Multiplication and Division of Fractions Book,” pp. 98 – 108 (Day 1) • • Crayons, markers, and/or colored pencils “My Multiplication and Division of Fractions Book” Directions Sheet 32 M5N4b, d, i Model multiplication and division of fractions GPS Framework Unit 3: Fractional Understanding and Operations, “My Multiplication and Division of Fractions Book,” pp. 98 – 108 (Day 2) • • Crayons, markers, and/or colored pencils “My Multiplication and Division of Fractions Book” Directions Sheet 33 M5N1 M5N4 Apply understanding of fractions to solve problems GPS Framework Unit 3: Fractional Understanding and Operations, “Culminating Task: You’re Invited to a Fabulous Fraction Party,” pp. 98 – 108 (Day 1) • “You’re Invited to a Fabulous Fraction Party” student sheet “Shopping for Groceries” student sheet “What’s in the Pantry?” student sheet Recipes “You’re Invited to a Fabulous Fraction Party, Recipes for Eight” student recording sheet GPS Framework Unit 3: Fractional Understanding and Operations, “Culminating Task: You’re Invited to a Fabulous Fraction Party,” pp. 98 – 108 (Day 2) Materials from previous lesson 34 (12/16/11) (12/19/11) M5N1 M5N4 Apply understanding of fractions to solve problems Unit 3 Post Test 15 • • • • Variety of Instructional Tasks Homework Weekly Focus: Practice dividing fractions with “Dividing Fractions” from Instructional Sequence Knowing How Real Fraction Behave, pp. 31 – 36 and 41 – 42. Weekly Focus: Divide fractions Maintenance: Measure angles and determine degrees of rotation with “Angle Measure” and “Pattern Block Sums of Angles” from Geometry and Fractions with Pattern Blocks, pp. 38 – 39 and 14. Maintenance: Students continue work on Culminating Task to present on Friday Maintenance: Develop number sense and mental math strategies with “Trizo” from Math Games and Activities, Volume 2. (available in the Game Packet) Skill: Compare and order fractions Exploration: Extend patterns to solve problems with “Lattice Logic A-C” and “Construction Count A-C” from Groundworks Algebra Puzzles and Problems, pp. 104 – 107 and 112 – 115. Refer to Math Expressions’ “Homework/ Remembering” and HM Georgia resources Intervention: Reflection with Closure/Journal Which division situations will result in quotients that are larger than the dividend? Why? Assessments Weekly Focus: Selected Quick Check and Math Expressions Unit 5 items Skill Mastery: Compare the following: 7/8 Ο 3/8 Order the following: 2/5, 1/5, 6/10 1/4 Ο 3/8 5/6, 4/6, 1/2 Higher Level Questions • • • • • How can you estimate the product when multiplying with fractional amounts? How does division of fractions relate to division of decimals? Create two different picture models to represent the solutions to fraction division problems. Even though you are dividing, why aren’t the quotients always smaller than the dividends? What strategies can you use to estimate the quotient when dividing by fractional amounts? 2/3 Ο 4/6 Vocabulary • • • • • • • • • Simplify Common denominator Improper fraction Proper fraction Divisibility Multiple Factor Greatest common factor (GCF) Equivalent Literacy GPS ELA5W2d. Produces informational writing that includes appropriate facts and details. ELA5LSV1d. Uses language cues to indicate different levels of certainty or hypothesizing. ELA5LSV1l. Clarifies, illustrates, or expands on a response when asked to do so.
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