Review — Difficulty 6/10
1.OA.A.1 · Use addition and subtraction within 20 to solve word problems involvi…
Review skills for this standard. Write answers where shown.
Together with a parent
1. Discuss: Use addition and subtraction within 20 to solve word problems involving situatio… 2. What was easy? What was tricky? 3. Use the diagram to model one example.
Written review
1. Two-step: 6 red and 6 blue marbles, then lose 3. How many now? ___ 2. Compare: Team A 31 points, Team B 26. Difference? ___ 3. Draw a bar model for: 6 + 6 + 4 4. Write an equation for your story: ___ + ___ = ___ 5. Does your answer make sense? Explain in one sentence. 6. Create a two-step word problem for 1.OA.A.1.
_See printable PDF for diagram._
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Skills checklist
- [ ] Models the problem with a drawing
- [ ] Chooses correct operation(s)
- [ ] Answers in complete sentences with units
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