Home Chapter 13 Review Questions

# Review Questions

This activity contains 5 questions.

## What are the differences between invented strategies and the traditional algorithms for whole-number computation? Give an example of each difference.

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## Solve 85 - 37 first by using a counting-up strategy and then with a take-away strategy. Which do you prefer to use? Why do you think you prefer this approach? Which do you think children would prefer and why?

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## Describe how to meaningfully teach the traditional algorithms for addition and subtraction

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## Why do children experience difficulties when subtracting with zeros using the traditional algorithm? What are some teaching ideas to keep in mind when working with children on these types of computation problems?

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## Solve 37 x 4 using two different partitioning strategies for multiplication. Next try solving it by using a complete-number strategy and then by using a compensation strategy. What are some key points to keep in mind about each of these strategies?

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