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Lesson Plan

2. Sort shapes by attributes (FP)

teaches Common Core State Standards 1.G.2
teaches Common Core State Standards CCSS.Math.Practice.MP2
teaches Common Core State Standards CCSS.Math.Content.1.G.A.1
teaches Common Core State Standards MAFS.1.G.1.1
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Lesson objective: Sort shapes by defining and non-defining attributes.

This lesson helps to build fluency with sorting shapes. Basic shapes are used here to highlight the similarities and differences between different shapes and their defining, and non-defining attributes. This work develops students' understanding that shapes have attributes that are both defining, like number of sides, and non-defining, like size.

Students engage in Mathematical Practice 2 (reason abstractly and quantitatively) as they make sense of the relationships between defining and non-defining attributes of shapes.

Key vocabulary:

  • defining attributes
  • non-defining attributes


Related content

Appears in

Composing and drawing shapes

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