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Lesson Plan

7. Understand that simple shapes can be composed to form larger shapes (C)

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: Understand that larger shapes can be made up of smaller shapes.

Students bring prior knowledge of composing shapes from K.G.B.4. This prior knowledge is extended to composing larger shapes from smaller two-dimensional shapes as students use pattern blocks to build hexagons. A conceptual challenge students may encounter is that there is only one way to compose a shape. 

The concept is developed through work with pattern blocks, which allow students to manipulate and move shapes around to explore how they work together.

This work helps students deepen their understanding of equivalence because there are many different ways to compose the same shape.

Students engage in Mathematical Practice 5 (use tools appropriately and strategically) as they use pattern blocks to explore shape relationships.

Key vocabulary:

  • Compose
  • Decompose
  • Hexagon
  • Rhombus
  • Square
  • Triangle

Special materials needed:

  • Pattern Blocks
Related content

Appears in

Modeling and composing shapes

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