Lesson plan

Create area by dividing a rectangle into equal squares

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.Content.2.OA.C.4 http://corestandards.org/Math/Content/2/OA/C/4
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

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Big Ideas: Rectangles can be partitioned into rows and columns to make equal-sized squares. Skip count or use repeated addition to find the total number of squares. Some rectangles can show the same number of squares partitioned in different ways. This lesson builds on students' work with partitioning shapes. In this lesson, students partition a rectangular space for a puppy playpen for 2 puppies. The second part of the task asks students to divide the space in half so each puppy has an equal amount of space. This lesson builds towards students' work with area and multiplication. Vocabulary: partition, half, equal, rows, columns Special Materials: rulers tiles graph paper