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Number & Operations for Teachers Copyright David & Cynthia Thomas, 2009 |
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Exercises 1. Sketch both fraction bar and area models for the following fraction addition problems and compute the sums. Clearly label the connections between the models and the algorithms. a. b. c. d. 2. Sketch both fraction bar and area models for the following fraction subtraction problems and compute the differences. Clearly label the connections between the models and the algorithms. a. b. c. d. 3. Complete the following figure and write a question (i.e., as in Example 6) illustrating each of the six indicated connections
4. Complete the following figure and write a question illustrating each of the six indicated connections
5. Complete the following figure and write a question illustrating each of the six indicated connections
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