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- Lee Yah, Jacob, and Nicholas solved the problem different ways.
- Which strategy makes sense to you? Why?
- Which strategy is more efficient? Why?
- Solve 30 40 using one of these strategies.
- Solve 200 20 using one of these strategies.
- Solve 80 200 using Nicholas's strategy.
- Nila, Alexis, and Irma explained how they know 30 40 = 1200. Which method do you understand best? Why?
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