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Number & Operations for Teachers Copyright David & Cynthia Thomas, 2009 |
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Exercises 1. Create concept models to illustrate and use alternative algorithms to evaluate the following operations a. 4 x 32 b. 21 x 33 c. 20 x 25 |
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Number & Operations for Teachers Copyright David & Cynthia Thomas, 2009 |
|
|
Exercises 1. Create concept models to illustrate and use alternative algorithms to evaluate the following operations a. 4 x 32 b. 21 x 33 c. 20 x 25 |
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