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Lesson Plan

Partition a rectangle into same-sized squares by making equally spaced columns and rows

teaches Common Core State Standards CCSS.Math.Content.2.G.A.2 http://corestandards.org/Math/Content/2/G/A/2
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7
teaches Common Core State Standards CCSS.Math.Content.2.OA.C.4 http://corestandards.org/Math/Content/2/OA/C/4
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Big Ideas: A rectangle can be partitioned into equal-sized squares to form rows and columns. Skip count to find the total number of squares inside the rectangle. Repeated addition equations can prove the total number of squares inside the rectangle. This lesson builds upon students' work with partitioning rectangles. In this lesson, Mr. Farley wants to plant grass using square pieces of sod. Students have to find the total number of sod squares he will need. Because Mr. Farley also wants to increase the size of his yard, students have to figure out how much sod he will need for the yard if he increases its size. This lesson builds toward future work with area and multiplication. Vocabulary: partitioning, repeated addition, equally spaced, columns, rows, vertical, horizontal Special Materials: geoboards tiles rulers
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