HUNTERTUTORING

Review — Difficulty 6/10

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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 + 6 = ___ 2. 12 − 6 = ___ 3. 26 − 6 = ___ 4. Fill in: 8 + ___ = 11 5. Story: 6 apples and 6 more. Total? ___ 6. Story: 12 stickers, give away 6. 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

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