Choosing Strategies for Explaining Addition and Subtraction

This video tutorial teaches how to explain addition and subtraction problems using various strategies. It emphasizes the importance of explaining math solutions to prove correctness, compare strategies, and help others understand. The tutorial covers strategies like using place value, fact families, and properties of addition. It also guides on choosing the right strategy based on the problem's numbers. Example problems illustrate how to apply these strategies effectively.

What are some reasons we explain our solutions in math?

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How can the relationship between addition and subtraction help in explaining a solution?

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What strategies can be used to explain how to solve an addition or subtraction problem?

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How did the monkey choose a strategy to explain the problem of how many tables still need flowers?

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In the second example, how did the monkey prove that the cooks need to make 82 boxes of popcorn?

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