Shapes

2 articles
1 video
1 skill
Classify quadrilaterals, including rectangles, rhombuses, and squares. See what attributes they have in common and which ones make them unique.

Introduction to types of quadrilaterals

VIDEO 8:07 minutes
Discover attributes and features of four-sided shapes, including parallelograms, rhombuses, rectangles, and squares.

Right angles in shapes (informal definition)

ARTICLE
Identify right angles in shapes.

Identifying quadrilaterals

ARTICLE
Classify quadrilaterals, including rectangles, rhombuses, and squares.

Categorize quadrilaterals

PRACTICE PROBLEMS
Classify and compare rectangles, rhombuses, and squares.