HUNTERTUTORING

Review — Difficulty 1/10

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1.OA.B.4 · Understand subtraction as an unknown-addend problem

Review skills for this standard. Write answers where shown.

Together with a parent

1. 3 + 5 = ___ 2. 8 − 5 = ___ 3. 19 − 3 = ___

Written review

1. Word problem: 21 marbles, lose 5. How many left? ___ 2. 9 − 4 = ___ 3. Story: 5 birds, 4 fly away. How many remain? ___ 4. Fill in: 6 + ___ = 11 5. Story: 5 apples and 4 more. Total? ___ 6. Story: 9 stickers, give away 4. 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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