Knowing how to identify right angles is a huge part of geometry. Help your child get to know his right angle shapes with this worksheet.

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

From angles and congruent shapes to calculating perimeter, this quiz covers variety of topics in third grade geometry.

Help your fourth graders take their understanding of angles and lines to the next level with this creative geometry challenge! Students will have fun drawing various types of shapes based on written descriptions and your students' knowledge of angles.