Practice problemGrade 5 · 5.NBT.B.5
3. ESTIMATE USING COMPATIBLE NUMBERS. Estimate the product using compatible numbers. 99 × 18 Compatible numbers Estimated product
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Practice problem
Practice problemGrade 5 · 5.NBT.B.5
4. USE A MONEY MODEL. Each hundred-dollar bill represents $100. How much money is 24 × 300? Use the model. $100 $100 $100 $100 $100 $100 $100 $100 $100 $100 24 × 300 = $
Individual task
Practice problemGrade 5 · 5.NBT.B.5
4. USE A MONEY MODEL. Each hundred-dollar bill represents $100. How much money is 34 × 100? Use the model. $100 $100 $100 $100 $100 $100 $100 $100 $100 $100 34 × 100 = $
Individual task
Practice problemGrade 5 · 5.NBT.B.5
4. USE A MONEY MODEL. Each hundred-dollar bill represents $100. How much money is 22 × 200? Use the model. $100 $100 $100 $100 $100 $100 $100 $100 $100 $100 22 × 200 = $
Individual task
Practice problemGrade 5 · 5.NBT.B.5
4. USE A MONEY MODEL. Each hundred-dollar bill represents $100. How much money is 34 × 500? Use the model. $100 $100 $100 $100 $100 $100 $100 $100 $100 $100 34 × 500 = $
Individual task
Practice problemGrade 5 · 5.NBT.B.5
5. CHOOSE THE REASONABLE ANSWER. Which number is a reasonable estimate for 72 × 48? A 2,000 B 3,600 C 4,000 D 7,200
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Practice problemGrade 5 · 5.NBT.B.5
5. CHOOSE THE REASONABLE ANSWER. Which number is a reasonable estimate for 57 × 98? A 2,800 B 5,600 C 8,400 D 55,900
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Practice problemGrade 5 · 5.NBT.B.5
5. CHOOSE THE REASONABLE ANSWER. Which number is a reasonable estimate for 67 × 86? A 2,900 B 5,800 C 8,600 D 57,600
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Practice problemGrade 5 · 5.NBT.B.5
5. CHOOSE THE REASONABLE ANSWER. Which number is a reasonable estimate for 75 × 40? A 1,500 B 3,000 C 4,500 D 30,000
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Practice problemGrade 5 · 5.NBT.B.5
6. EXPLAIN THE PLACEHOLDER. In 5,607, the 0 is a placeholder. Explain what the 0 shows about the number.
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Practice problemGrade 5 · 5.NBT.B.5
6. EXPLAIN THE PLACEHOLDER. In 4,061, the 0 is a placeholder. Explain what the 0 shows about the number.
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Practice problemGrade 5 · 5.NBT.B.5
6. EXPLAIN THE PLACEHOLDER. In 2,605, the 0 is a placeholder. Explain what the 0 shows about the number.
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Practice problemGrade 5 · 5.NBT.B.5
6. EXPLAIN THE PLACEHOLDER. In 3,101, the 0 is a placeholder. Explain what the 0 shows about the number.
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Practice problemGrade 5 · 5.NBT.B.5
7. FIND THE MISSING FACTOR. Use the place-value chart to find the missing number. × 40 = 3,200 Thousands Hundreds Tens Ones
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Practice problemGrade 5 · 5.NBT.B.5
7. FIND THE MISSING FACTOR. Use the place-value chart to find the missing number. × 20 = 1,200 Thousands Hundreds Tens Ones
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Practice problemGrade 5 · 5.NBT.B.5
7. FIND THE MISSING FACTOR. Use the place-value chart to find the missing number. × 30 = 2,400 Thousands Hundreds Tens Ones
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Practice problemGrade 5 · 5.NBT.B.5
7. FIND THE MISSING FACTOR. Use the place-value chart to find the missing number. × 30 = 1,800 Thousands Hundreds Tens Ones
Individual task
Practice problemGrade 5 · 5.NBT.B.5
8. APPLY AND CHECK. A school ordered 36 boxes of pencils. Each box has 50 pencils. a) Find the total number of pencils. b) Estimate the product using compatible numbers. c) Check y
Individual task
Practice problemGrade 5 · 5.NBT.B.5
8. APPLY AND CHECK. A school ordered 12 boxes of pencils. Each box has 40 pencils. a) Find the total number of pencils. b) Estimate the product using compatible numbers. c) Check y
Individual task
Practice problemGrade 5 · 5.NBT.B.5
8. APPLY AND CHECK. A school ordered 89 boxes of pencils. Each box has 50 pencils. a) Find the total number of pencils. b) Estimate the product using compatible numbers. c) Check y
Individual task
Practice problemGrade 5 · 5.NBT.B.5
8. APPLY AND CHECK. A school ordered 11 boxes of pencils. Each box has 10 pencils. a) Find the total number of pencils. b) Estimate the product using compatible numbers. c) Check y
Individual task
Practice problemGrade 5 · 5.NBT.B.5
1. CHOOSE A MODEL. Find the product 47 × 36 using the model you prefer. Show your work. 4 7 × 3 6 Area modelArray modelStandard algorithm
Individual task
Practice problemGrade 5 · 5.NBT.B.5
1. CHOOSE A MODEL. Find the product 96 × 51 using the model you prefer. Show your work. 9 6 × 5 1 Area modelArray modelStandard algorithm
Individual task
Practice problemGrade 5 · 5.NBT.B.5
1. CHOOSE A MODEL. Find the product 87 × 19 using the model you prefer. Show your work. 8 7 × 1 9 Area modelArray modelStandard algorithm
Individual task