Review — Difficulty 3/10
1.OA.B.3 · Apply properties of operations as strategies to add and subtract
Review skills for this standard. Write answers where shown.
Together with a parent
1. Discuss: Apply properties of operations as strategies to add and subtract.2 Examples: If … 2. What was easy? What was tricky? 3. Use the diagram to model one example.
Written review
1. 3 + 6 = ___ 2. 9 − 6 = ___ 3. 23 − 3 = ___ 4. Fill in: 8 + ___ = 13 5. Story: 3 apples and 6 more. Total? ___ 6. Story: 9 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
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