HUNTERTUTORING

Practice Problems — Set 17

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2.OA.C.3 · Determine whether a group of objects (up to 20) has an odd or even nu…

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

Warm-up

1. 6 + 5 = ___ 2. 11 − 5 = ___ 3. 38 − 5 = ___

_See printable PDF for diagram._

Written practice

1. Story: 5 birds, 7 fly away. How many remain? ___ 2. Two-step: Start with 12, add 4, then subtract 3. Result? ___ 3. Explain your thinking for this word problem in one sentence. 4. Create your own word problem for 2.OA.C.3. 5. Story: 5 apples and 7 more. Total? ___ 6. Story: 12 stickers, give away 7. Left? ___ 7. Story: 5 apples and 7 more arrive. Total? ___ 8. Story: 12 stickers, give away 7. Left? ___

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More written practice

1. 40 − 3 = ___ 2. Fill in: 8 + ___ = 10 3. Story: 4 apples and 7 more. Total? ___ 4. Story: 11 stickers, give away 7. Left? ___ 5. 7 + 7 = ___ 6. 14 − 7 = ___

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Patterns and rules

1. 6 + 6 = ___ 2. 12 − 6 = ___ 3. 54 − 5 = ___

_See printable PDF for diagram._

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Stretch

1. Story: 5 birds, 7 fly away. How many remain? ___ 2. Two-step: Start with 12, add 4, then subtract 3. Result? ___

___________________________ ___________________________ ___________________________ ___________________________

Parent tip: Draw number bonds or number lines

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