This Find Area of a Scaled Rectangle video also includes:
When the sides scale larger the area scales larger as well, but not by the same amount. Show your learners with this second video from a series why you have to multiply both of the sides by the scale factor to adjust the size of the new drawing. Watch how the narrator takes a square with one unit sides and scales it up by two, three, four, five, six, seven, and eight to show how each time the scaled area changes and results in a pattern. Your learners will see the common mistake made by multiplying the area and why it is not a true result.
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- Reviews scale factor and the importance of multiplying it by each dimension
- Uses a table to organize information and show pattern of results
- Recognizes a pattern when the sides are one unit, does not show patterns for different side lengths