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Lesson 2-8

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viola jensen

on 14 November 2014

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Transcript of Lesson 2-8

314 x 236
Round each factor to estimate the product.
Express your estimate as a power of 10.
Will our actual product be more or less than the estimate?
Work with a partner and use the algorithm to find the actual product. Is it reasonable?
Lesson 2-8
1,882 x 296
Round each factor to estimate the product.
Express your estimate as a power of 10.
Will our actual product be more or less than the estimate?
Work independently to find the actual product. Is it reasonable?
Turn and talk.
4,902 x 408
Work independently to find an estimated product for this problem.
4,902 x 408
4,902 x 408
Should our actual product be more or less than our estimated product? How do you know? Turn and Talk.
Work independently to solve 4,902 x 408. Is the actual product reasonable?
Erin and Frannie entered a rug design contest. The rules stated that the rug's dimensions must be 32 inches x 45 inches and that they must be rectangular. They drew the following for their entries. show at least three other designs they could have entered in the contest. Calculate the area of each section, and the total area of the rugs.
What unit is our estimate? How else can we express this number?
What is equal to 20 in the hundred-thousands place?
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