Description
Students compose rectangles using two copies of a right triangle. They extend their previous knowledge about the area formula for rectangles to evaluate the area of the rectangle using A = bh and discover through manipulation that the area of a right triangle is exactly half that of its corresponding rectangle.
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Credits
From EngageNY.org of the New York State Education Department. Grade 6 Mathematics Module 5, Topic A, Lesson 2.
Available from engageny.org/resource/grade-6-mathematics-module-5-topic-lesson-2; accessed 2015-05-29.
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