Lesson plan

Determine the area of a plane figure by tiling shapes with improvised units

teaches Common Core State Standards CCSS.Math.Content.3.MD.C.5 http://corestandards.org/Math/Content/3/MD/C/5
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: Area is the flat space or surface area that covers the inside of a plane figure. Area can be measured by tiling shapes with improvised units without gaps or overlaps. This lesson introduces the concept of area by tiling non-rectangular units to describe the surface area of larger shapes. This task uses a scenario in which students will determine the area of various shapes. Students will be presented with various shapes and order them from smallest to largest area. Students will be building their foundational knowledge of area by representing, partitioning, and labeling the area of these shapes. The mathematical concepts in this lesson build toward students' future work with naming square units and measuring area. Vocabulary: plane figure, surface area, tiling Special Materials: Pattern blocks (triangles, rhombuses, trapezoids, hexagons)