Reteach and Skills Practice Workbook

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5–10 Name Reteach Prime and Composite Numbers Date Jeanne is organizing her shoes in a shoe rack. There are the same number of shoes in each row and column. If Jeanne has 16 pairs of shoes, how many ways can she arrange the shoes? You need to find all the factors of 16 to find out how many ways Jeanne can arrange her shoes. 4NS4.2 Chapter Resources 1 2 16 1 × 16 = 16 2 × 8 = 16 8 4 4 × 4 = 16 4 Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. So, the factors of 16 are 1, 2, 4, 8, and 16. The shoes can be arranged in three ways, 1 × 16, 2 × 8, or 4 × 4. A number like 16 that has more than two factors is a composite number. A number that has only two factors is a prime number. The factors of 2 are 1 and 2. 2 has exactly two factors, 1 and 2, so it is a prime number. Find the factors of each number. Then tell whether the number is composite or prime. 1. 4 2. 9 Solve. 3. 7 4. 27 5. Arrange a bulletin board with equal rows and columns for 32 drawings. Decide if 32 is a prime or composite number. List all the ways to present the bulletin board. Grade 4 95 Chapter 5
5–10 Name Skills Practice Date 4NS4.2 Prime and Composite Numbers Tell whether each number is prime, composite, or neither. 1. 2 2. 4 3. 6 4. 13 5. 27 6. Find the factors of 16. Solve. 7. Arrange your bookshelf with equal books in each row for a stack of 49 books. Decide if 49 is a prime or composite number. List all the ways to present the books. 8. Arrange 4 bed pillows. You want to order them in equal rows and columns. How many ways can you arrange them? 9. List 2 prime numbers and their factors. 10. List the factors for 5, 25, and 50. Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Grade 4 96 Chapter 5
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Copyright © Macmillan/McGraw-Hill,
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Table of Contents Copyright © Macm
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Chapter 14 Decimals 14-1 Tenths and
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1-1 Name Date Skills Practice Place
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1-2 Name Skills Practice Date 4NS1.
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1-3 Name Reteach (continued) Date 4
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1-4 Name Reteach Compare Whole Numb
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1-5 Name Reteach Order Whole Number
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1-6 Name Reteach Round Whole Number
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1-7 Name Reteach Problem-Solving In
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1-7 Name Skills Practice Problem-So
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2-1 Name Date Skills Practice 4AF1.
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2-4 Name Reteach Add Numbers Date T
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2-5 Name Reteach Subtract Numbers D
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3-1 Name Date Skills Practice Addit
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3-2 Name Skills Practice Date 4AF1.
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Page 52 and 53: 3-4 Name Reteach Algebra: Find a Ru
Page 54 and 55: 3-5 Name Reteach Date 4MR2.3, 4NS3.
Page 56: 3-5 Name Date Skills Practice Probl
Page 59 and 60: 3-6 Name Skills Practice Date 4AF2.
Page 61 and 62: 4-1 Name Skills Practice Date 4SDAP
Page 65 and 66: 4-3 Name Reteach (continued) Date 4
Page 68 and 69: 4-4 Name Reteach Line Plots Date A
Page 70 and 71: 4-5 Name Reteach Bar and Double Bar
Page 72 and 73: 4-6 Name Reteach Date 4MR2.3, 4NS2.
Page 74: 4-6 Name Date Use any strategy show
Page 79 and 80: 4-8 Name Skills Practice Analyze Gr
Page 81 and 82: 5-1 Name Skills Practice Date 4MR2.
Page 83 and 84: 5-2 Name Date Skills Practice Algeb
Page 85 and 86: 5-3 Name Date Skills Practice Multi
Page 90 and 91: 5-5 Name Date Reteach Multiply and
Page 92 and 93: 5-6 Name Reteach Multiply with 11 a
Page 94 and 95: 5-7 Name Reteach Problem-Solving In
Page 96: 5-7 Name Skills Practice Problem-So
Page 101: 5-9 Name Skills Practice Date 4MR2.
Page 105 and 106: 6-1 Name Date Skills Practice Multi
Page 110 and 111: 6-3 Name Reteach Order of Operation
Page 112 and 113: 6-4 Name Reteach Solve Equations Me
Page 114 and 115: 6-5 Name Reteach Choose a Strategy
Page 116: 6-5 Name Skills Practice Problem-So
Page 123 and 124: 7-1 Name Skills Practice Date 4NS3.
Page 125 and 126: 7-2 Name Date Reteach (continued) 4
Page 128 and 129: 7-3 Name Date To estimate products,
Page 130 and 131: 7-4 Name Reteach Multiply Two-Digit
Page 132 and 133: 7-5 Name Date Reteach Problem-Solvi
Page 134: 7-5 Name Problem-Solving Strategies
Page 148 and 149: 8-4 Name Reteach Multiply Two-Digit
Page 150 and 151: 8-5 Name Find 411 × 12. Estimate:
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8-6 Name Date Skills Practice Probl
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9-2 Name Date Skills Practice Divid
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9-3 Name Reteach (Continued) Date 4
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9-4 Name Reteach Date 4NS3.4 Estima
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9-5 Name Reteach Date 4NS3.4, 4MR2.
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10-1 Name Skills Practice Date 4MG3
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10-3 Name Reteach (continued) Probl
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10-4 Name Reteach A line goes on fo
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10-5 Name Date Reteach Angles Angle
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10-6 Name Reteach Problem-Solving I
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10-6 Name Skills Practice Problem-S
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11-4 Name Reteach (continued) Date
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11-5 Name Reteach Measurement: Area
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11-6 Name Reteach Date Problem-Solv
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11-6 Name Skills Practice Use any s
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11-7 Name Date Skills Practice Meas
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12-1 Name Skills Practice Date 4NS1
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12-3 Name Skills Practice Graph Ord
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12-4 Name Reteach (2) Problem-Solvi
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12-5 Name Reteach Date 4AF1.5 Funct
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12-6 Name Reteach Graph Functions D
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12-7 Name Reteach Choose a Strategy
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13-1 Name Date Skills Practice Part
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13-2 Name Date Skills Practice Part
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13-4 Name Reteach Equivalent Fracti
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13-5 Name Reteach Simplest Form Dat
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13-6 Name Reteach Choose a Strategy
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13-9 Name Date Skills Practice Mixe
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14-2 Name Date Skills Practice Rela
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14-3 Name Date Reteach (continued)
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14-4 Name Reteach Date 4NS1.2, 4NS1
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14-5 Name Reteach Date Kyle bought
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14-5 Name Skills Practice Use any s
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14-7 Name Date Skills Practice Deci
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15-2 Name Date Skills Practice Esti
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15-4 Name Reteach Add Decimals You
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15-5 Name Date Skills Practice Prob
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16-1 Name Skills Practice Probabili
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16-2 Name Skills Practice Date 4SDA
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16-3 Name Reteach (continued) Probl
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16-4 Name Reteach Find Probability
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16-5 Name Skills Practice Date 4MR1
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16-6 Name Skills Practice Date 4SDA
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Reteach and Skills Practice Workbook

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