Back to Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category — Problem 6 · Task Set 25

Exercises: Property Inheritance in Two-Dimensional Figure Categories

Work through each section in order. For true/false and justification problems, base your answer on definitions and properties -- not on how a shape looks.

Grade 5·23 problems·~34 min·Common Core Math - Grade 5·standard·5-g-b-3

Work through problems with immediate feedback

Fluency Practice

Every square has opposite sides equal in length. Why is this true?

Because squares are parallelograms, and all parallelograms have opposite sides equal.

Because someone measured every square that exists.

Because squares are a separate category with no relation to parallelograms.

This is not actually true for squares.