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Lesson Plan

5. Organize categories and subcategories of objects (FP)

teaches Common Core State Standards 4.6C
teaches Common Core State Standards 5.G.2
teaches Common Core State Standards CCSS.Math.Content.5.G.B.3
teaches Common Core State Standards CCSS.Math.Content.5.G.B.4
teaches Common Core State Standards CCSS.Math.Practice.MP7
teaches Common Core State Standards MAFS.5.G.2.3
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Lesson objective: Create and organize categories and subcategories of two-dimensional figures.

This lesson helps to build fluency with classifying two-dimensional figures using a variety of attributes. Flowcharts and Venn diagrams used here because they highlight relationships between figures. This work develops students' understanding that attributes belonging to a category of two-dimensional shapes also belong to all subcategories of that category.

Students engage in Mathematical Practice 7 (look for and make use of structure) as they use and create organized structures for categories of shapes, to visualize the relationships between different plane figures.

Key vocabulary:

  • attribute
  • equilateral
  • flowchart
  • isosceles
  • kite
  • parallelogram
  • rectangle
  • rhombus
  • scalene
  • square
  • subcategory
  • trapezoid
  • Venn diagram


Related content

Appears in

Classifying two‐dimensional geometric figures

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