HUNTERTUTORING

Review — Difficulty 8/10

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1.OA.D.8 · Determine the unknown whole number in an addition or subtraction equa…

Review skills for this standard. Write answers where shown.

Together with a parent

1. 6 + 6 = ___ 2. 12 − 6 = ___ 3. 26 − 6 = ___

Written review

1. 4 + 5 = ___ 2. Story: 9 stickers, give away 5. Left? ___ 3. 28 − 4 = ___ 4. Word problem: 28 marbles, lose 4. How many left? ___ 5. Story: 4 apples and 5 more. Total? ___ 6. Story: 9 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 the unknown whole number in an addition or subtraction equa… without prompts

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