# Similar Areas

Students learn how to calculate areas of similar shapes using the area scale factor.  As learning progresses students begin to calculate unknown lengths using the area scale factor.
##### Differentiated Learning Objectives
• All students should be able to calculate the area scale factor as the square of the length scale factor.
• Most students should be able to determine and apply the area scale factor to calculate unknown areas.
• Some students should be able to determine and apply the area scale factor to calculate unknown areas and lengths.

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