Explain 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 of shapes (e.g., quadrilaterals).
Example Problems
Are both trapezoids and parallelograms quadrilaterals?
Do polygons have more than 2 sides?
Are circles and octagons both polygons?
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