Lesson plan

8. Compose 2D shapes out of smaller shapes (FP)

teaches Common Core State Standards CCSS.Math.Content.K.G.B.6 http://corestandards.org/Math/Content/K/G/B/6
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
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Lesson objective: Compose larger shapes out of smaller shapes.

This lesson helps to build procedural skill with two-dimensional shapes. Pattern blocks are used here because they support students' understanding of how shapes can be composed using smaller shapes. This work develops students' understanding that  simple shapes can be joined to form larger shapes (two squares can be joined full side to full side to form a rectangle).

Students engage in Mathematical Practice 5 (Use tools appropriately and strategically) as they use pattern blocks to explore how shapes can be put together to make larger shapes.

Key vocabulary:

  • hexagon
  • parallelogram
  • rectangle
  • rhombus
  • side
  • square
  • trapezoid
  • triangle

Special materials needed:

  • pattern blocks