Using Tiling to Find Area

Curated and Reviewed by Lesson Planet

By splitting rectangles into four equal parts, scholars practice calculating area and determining side length. They begin by determining the area of each rectangle before segmenting it. Then, they use the space provided to split it into four equal parts, labelling the side lengths. Geometers calculate the area again, seeing that it is the same despite the shape's new look. Learners will catch onto this pattern quickly, so be sure to ask them to show their work and perhaps write out why they think this is the case.

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3rd - 5th
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