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Lesson Plan

Solve for the areas of 2-D figures in real-world problems by using written expressions

teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Content.6.EE.A.2c http://corestandards.org/Math/Content/6/EE/A/2/c
teaches Common Core State Standards CCSS.Math.Content.6.G.A.1 http://corestandards.org/Math/Content/6/G/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6
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Big Ideas: Written expressions can be used to solve for the areas of composite figures in real-world problems. This lesson builds on students’ work with decomposing polygons into triangles, rectangles, and other shapes. In this task, students will use written expressions to solve for the areas of composite figures in real world problems. The mathematical concepts in this lesson build toward students’ future work with finding the areas of 2-D composite figures, surface area, and the slicing of 3-D figures in grades 6-8. Vocabulary: written expression, variables, area, additive Special Materials: Grid Paper Colored Pencils Supplementary Handout
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