Lesson plan

Decompose complex shapes by breaking the shapes apart into non-overlapping rectangles

teaches Common Core State Standards CCSS.Math.Content.3.MD.C.7d http://corestandards.org/Math/Content/3/MD/C/7/d
teaches Common Core State Standards CCSS.Math.Content.3.OA.B.5 http://corestandards.org/Math/Content/3/OA/B/5

You have saved this lesson plan!

Here's where you can access your saved items.

Content placeholder

or to view additional materials

You'll gain access to interventions, extensions, task implementation guides, and more for this lesson plan.

Big Ideas: Complex shapes are made up of simpler, less complex shapes such as rectangles. Up to this point students have learned many strategies to find the area of a rectangle. As students approach learning how to find the area of rectilinear figures, it is important that they have a good understanding of the word decompose and how to decompose a complex shape into simple shapes. This lesson focuses on developing this understanding. This lesson builds towards students' work with determining the area of rectilinear figures in future lessons. Vocabulary: decompose, compose, complex shape, simple shape, rectilinear figure Special Materials: pattern blocks