Help students learn how to use a protractor.

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.

How well do you know your angles? Let's find out! Use this geometry resource to help your students identify and differentiate between important angles such as acute, obtuse, straight, and right angles.

On this worksheet, your third-grader will be asked to circle all the right angles they can find in the picture.

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

In this third grade geometry worksheet, your child will practice identifying right, acute, and obtuse angles.