HUNTERTUTORING

Practice Problems — Set 9

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1.OA.B.3 · Apply properties of operations as strategies to add and subtract

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

Warm-up

1. 5 + 5 = ___ 2. 10 − 5 = ___ 3. 25 − 5 = ___

_See printable PDF for diagram._

Written practice

1. 4 + 4 = ___ 2. Story: 8 stickers, give away 4. Left? ___ 3. 24 − 4 = ___ 4. Word problem: 24 marbles, lose 4. How many left? ___ 5. Story: 4 apples and 4 more. Total? ___ 6. Story: 8 stickers, give away 4. Left? ___ 7. 3 + 4 = ___ 8. Story: 4 birds, 4 fly away. How many remain? ___

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More written practice

1. 27 − 3 = ___ 2. Story: 4 apples and 4 more arrive. Total? ___ 3. Story: 3 apples and 4 more. Total? ___ 4. Story: 7 stickers, give away 4. Left? ___ 5. 6 + 4 = ___ 6. 10 − 4 = ___

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Patterns and rules

1. 5 + 6 = ___ 2. 11 − 6 = ___ 3. 41 − 5 = ___

_See printable PDF for diagram._

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Parent tip: Draw number bonds or number lines

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