. Grade 1, Illustrative icon

Overlapping Rectangles

Illustrative MathematicsVaries

The purpose of this task is to give students an opportunity to compose and decompose polygons to make rectangles. This is a challenging problem for first graders and it would be inappropriate to use it as an assessment. However, if presented as a brainteaser it can be useful for giving the students practice in recognizing rectangles, and stimulate interest as students compete to try to find the most rectangles. Furthermore, older students may also benefit from such an exercise as well, which could be aligned with 2.G.1 or even 3.G.1.

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