HUNTERTUTORING

Review — Difficulty 2/10

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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. Discuss: Determine the unknown whole number in an addition or subtraction equation relati… 2. What was easy? What was tricky? 3. Use the diagram to model one example.

Written review

1. 6 + 5 = ___ 2. 11 − 5 = ___ 3. 22 − 6 = ___ 4. Fill in: 7 + ___ = 12 5. Story: 6 apples and 5 more. Total? ___ 6. Story: 11 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

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