Grade 4Geometry

4.G.A.2

Sort 2D figures by their lines and angles.

Worksheets for this standard 1 topic

Parallel, Perpendicular & Right Angles3 ways

The standard, officially

Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.

Builds on

4.G.A.1Draw lines, rays, and angles

Leads to

5.G.B.3Understand shared shape attributes