Shape Hierarchies
4th Grade · Math · 45 min· 5.g.b.3 Classify Two-dimensional Figures In A Hierarchy Based On Properties. Understand That Attributes Belonging To A Category Of Two-dimensional Figures Also Belong To All Subcategories Of That Category. For Example, All Rectangles Have Four Right Angles And Squares Are Rectangles, So All Squares Have Four Right Angles.
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Learning Objective
I can explain how shapes can belong to different groups at the same time, like how a square is also a rectangle.
