Review — Difficulty 10/10

1.OA.C.6 · Add and subtract within 20, demonstrating fluency for addition and su…

Review skills for this standard. Write answers where shown.

Together with a parent

1. Discuss: Add and subtract within 20, demonstrating fluency for addition and subtraction w… 2. What was easy? What was tricky? 3. Use the diagram to model one example.

Written review

1. 6 + 4 = ___ 2. 10 − 6 = ___ 3. 5 − 3 = ___ 4. 2 + 2 = ___ 5. Fill in: 5 + ___ = 5 6. Without counting from 1, solve: 4 + 1 = ___

_See printable PDF for diagram._

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Skills checklist

• [ ] Solves facts with strategies or recall
• [ ] Explains one strategy used
• [ ] Accuracy improves over the 20 sets
• [ ] Explains Add and subtract within 20, demonstrating fluency for addition and su… without prompts

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