Question

how do i use area models with decimals?

Answer 1

First, use an area modelrepresentation. Change 12.5 and 9.5 to whole numbers and break up the numbers according to place value. Next, find the areas of the smaller rectangles. Finally, place the decimalpoint into the sum.
Earlier, you were given a problem about Kevin’s area problem.

Kevin has the formula for the area, but needs help multiplying the decimals.

A=(12.5 ft)(9.5 ft)

First, use an area model representation. Change 12.5 and 9.5 to whole numbers and break up the numbers according to place value.

12.5→125→100+20+59.5→95→95+5





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