Practice Problems — Set 20

5.NBT.A.2 · Explain patterns in the number of zeros of the product when multiplyi…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Write as a decimal: 4 tenths → ___ 2. Compare: 0.4 ___ 0.5 3. 0.3 + 0.2 = ___

_See printable PDF for diagram._

Written practice

1. Word problem: $2.20 + $1.3 = $___ 2. Story: Spend $0.3 of $1.00. How much left? ___ 3. Two-step: Start with 17, add 3, then subtract 3. Result? ___ 4. Explain your thinking for this word problem in one sentence. 5. Create your own word problem for 5.NBT.A.2. 6. Word problem: $2.20 + $1.3 = $___ 7. Story: 2 + 9 = ___ 8. Story: 3 + 10 = ___

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More written practice

1. 0.5 + 0.4 = ___ 2. Word problem: $2.23 + $1.6 = $___ 3. Write as a decimal: 4 tenths → ___ 4. Compare: 0.5 ___ 0.7 5. 0.3 + 0.3 = ___ 6. Word problem: $2.26 + $1.5 = $___

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Patterns and rules

1. Write as a decimal: 5 tenths → ___ 2. Compare: 0.4 ___ 0.6 3. 0.4 + 0.2 = ___

_See printable PDF for diagram._

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Stretch

1. Word problem: $2.20 + $1.3 = $___ 2. Story: Spend $0.3 of $1.00. How much left? ___

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Parent tip: Use base-ten blocks for tenths and hundredths