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lesson 19
1 hour

Unknown Area Problems on the Coordinate Plane 


Description

Students find the areas of triangles and simple polygonal regions in the coordinate plane with vertices at grid points by composing into rectangles and decomposing into triangles and quadrilaterals.

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Credits

From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 3, Topic C, Lesson 19. Available from engageny.org/resource/grade-7-mathematics-module-3-topic-c-lesson-19; accessed 2015-05-29.
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