Review — Difficulty 5/10
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. 5 + 5 = ___ 2. 10 − 5 = ___ 3. 25 − 5 = ___ 4. Fill in: 7 + ___ = 10 5. Story: 5 apples and 5 more. Total? ___ 6. Story: 10 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
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