Review — Difficulty 6/10
2.OA.C.3 · Determine whether a group of objects (up to 20) has an odd or even nu…
Review skills for this standard. Write answers where shown.
Together with a parent
1. Discuss: Determine whether a group of objects (up to 20) has an odd or even number of mem… 2. What was easy? What was tricky? 3. Use the diagram to model one example.
Written review
1. 7 + 7 = ___ 2. 14 − 7 = ___ 3. 31 − 6 = ___ 4. Fill in: 8 + ___ = 11 5. Story: 7 apples and 7 more. Total? ___ 6. Story: 14 stickers, give away 7. 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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