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Arizona Math Standard: 3.G.A.1

Understand that shapes in different categories (e.g., rhombuses, rectangles, and others)may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples quadrilaterals that do not belong to any of these subcategories.

What’s In My Brain: Pentagon vs Pentagon

What’s In My Brain: Pentagon vs Pentagon

We’re looking at regular vs irregular polygons.

Geometry Image: University Ave

Geometry Image: University Ave

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: Victoria Conference Center

Geometry Image: Victoria Conference Center

What odd and interesting shapes can your students find in this geometric image?

What’s In My Brain: Trapezoids or Not?

What’s In My Brain: Trapezoids or Not?

Which are trapezoids and which are not?

Grouping Quadrilaterals In A Hierarchy

Grouping Quadrilaterals In A Hierarchy

Can we classify quadrilaterals like we classify living things?