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Review — Difficulty 9/10

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

Review skills for this standard. Write answers where shown.

Together with a parent

1. 4 + 5 = ___ 2. 9 − 5 = ___ 3. 32 − 3 = ___

Written review

1. Word problem: 34 marbles, lose 5. How many left? ___ 2. 13 − 7 = ___ 3. Story: 6 birds, 7 fly away. How many remain? ___ 4. Fill in: 8 + ___ = 14 5. Story: 6 apples and 7 more. Total? ___ 6. Story: 13 stickers, give away 7. Left? ___

_See printable PDF for diagram._

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Skills checklist

  • [ ] Adds and subtracts accurately in range
  • [ ] Uses a model or strategy
  • [ ] Checks answers when possible
  • [ ] Explains Determine whether a group of objects (up to 20) has an odd or even nu… without prompts

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