Reteach and Skills Practice Workbook

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2–3 Name Reteach Problem-Solving Skill Date You estimate an answer when you do not need an exact answer. Find an exact answer when you need to find exactly how much. Logan’s neighbor hires him to mow his lawn. Logan charges $10.25 an hour to mow a yard. The neighbor asks Logan how much it will cost to mow his yard. Logan thinks it will take about 2 hours to mow his lawn. How much does Logan tell his neighbor it will cost? 4MR2.5, 4NS3.0 Chapter Resources Understand What facts do you know? • Logan charges $10.25 an hour • It will take Logan about 2 hours to mow What do you need to find? How much it will cost Logan’s neighbor to have his lawn mowed. Plan Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Does Logan need an exact answer or an estimate? Is his neighbor expecting an estimate or exact answer? Logan will only be able to give an estimate for the cost because there is no way for him to know exactly how long it will take to mow the yard. His neighbor should expect an estimate. Solve How much does Logan charge if it takes him 2 hours? $10 + $10 = $20 So, Logan will charge about $20. Check When determining how long it will take to mow the lawn, is it better for Logan to estimate higher or lower? Explain. It is better for Logan to estimate higher. A higher estimate will prevent Logan from charging his neighbor much more than the original estimated cost. Grade 4 23 Chapter 2
2–3 Name Reteach (continued) Date 4MR2.5, 4NS3.0 Problem-Solving Skills Tell whether an estimate or an exact answer is needed. Then solve. 1. Marcus, Jon, and Brenda all collect fossils. Marcus has 13 fossils, Jon has 28 fossils, and Brenda has 17 fossils. Do they have more than 70 fossils in all? 2. Ramona went to the store to purchase some fruits. The fruits cost $11.25, and she gives the cashier a $20 bill. About how much change should Ramona get back? 3. Raphael needs enough hose to reach his garden, which is 20 feet away from the water spout. He has one section of hose that is 14 feet long and another section that is 7 feet long. Will the hose be long enough if he connects the two sections? 4. Ms. Ramirez wants her students to each have one muffin. She has 27 students in her class. If each box of muffins contains 10, how many boxes will she need? 5. Julie has $20. She wants to buy a box of cereal for $4, a game for $6, and a pair of mittens for $8. Will she have enough money for her purchases? 6. Gerald is reading a novel. On Monday he reads 37 pages, on Tuesday he reads 24 pages, and on Wednesday he reads 26 pages. About how many pages has Gerald read? 7. Matthew has two buckets. One of his buckets holds 78 ounces of water, and his other bucket holds 95 ounces of water. If Matthew fills his buckets all the way, exactly how much water can he carry? Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Grade 4 24 Chapter 2
Page 2 and 3: Copyright © Macmillan/McGraw-Hill,
Page 4 and 5: Table of Contents Copyright © Macm
Page 6: Chapter 14 Decimals 14-1 Tenths and
Page 9 and 10: 1-1 Name Date Skills Practice Place
Page 11 and 12: 1-2 Name Skills Practice Date 4NS1.
Page 13 and 14: 1-3 Name Reteach (continued) Date 4
Page 16 and 17: 1-4 Name Reteach Compare Whole Numb
Page 18 and 19: 1-5 Name Reteach Order Whole Number
Page 20 and 21: 1-6 Name Reteach Round Whole Number
Page 22 and 23: 1-7 Name Reteach Problem-Solving In
Page 24: 1-7 Name Skills Practice Problem-So
Page 27 and 28: 2-1 Name Date Skills Practice 4AF1.
Page 29: 2-2 Name Skills Practice Date 4NS2.
Page 34 and 35: 2-4 Name Reteach Add Numbers Date T
Page 36 and 37: 2-5 Name Reteach Subtract Numbers D
Page 38 and 39: 2-6 Name Reteach Problem-Solving In
Page 40: 2-6 Name Skills Practice Problem-So
Page 43 and 44: 2-7 Name Skills Practice Date 4NS3.
Page 45 and 46: 3-1 Name Date Skills Practice Addit
Page 47 and 48: 3-2 Name Skills Practice Date 4AF1.
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 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
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5-3 Name Date Skills Practice Multi
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5-4 Name Reteach (continued) Date 4
Page 90 and 91:
5-5 Name Date Reteach Multiply and
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5-6 Name Reteach Multiply with 11 a
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5-7 Name Reteach Problem-Solving In
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5-7 Name Skills Practice Problem-So
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5-8 Name Skills Practice Date 4AF1.
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5-9 Name Skills Practice Date 4MR2.
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5-10 Name Skills Practice Date 4NS4
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6-1 Name Date Skills Practice Multi
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6-3 Name Reteach Order of Operation
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6-4 Name Reteach Solve Equations Me
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6-5 Name Reteach Choose a Strategy
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Page 123 and 124:
7-1 Name Skills Practice Date 4NS3.
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7-2 Name Date Reteach (continued) 4
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7-3 Name Date To estimate products,
Page 130 and 131:
7-4 Name Reteach Multiply Two-Digit
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7-5 Name Date Reteach Problem-Solvi
Page 134:
7-5 Name Problem-Solving Strategies
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8-4 Name Reteach Multiply Two-Digit
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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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12-3 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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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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13-9 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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Page 306:
16-5 Name Skills Practice Date 4MR1
Page 309:
16-6 Name Skills Practice Date 4SDA
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