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Review — Difficulty 10/10

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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. 5 + 6 = ___ 2. 11 − 6 = ___ 3. 33 − 4 = ___

Written review

1. 7 + 5 = ___ 2. Story: 7 birds, 5 fly away. How many remain? ___ 3. 35 − 6 = ___ 4. Story: 7 apples and 5 more arrive. Total? ___ 5. Story: 7 apples and 5 more. Total? ___ 6. Story: 12 stickers, give away 5. 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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