This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

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.

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

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

Once students understand angle basics, challenge them to find missing angles in this exercise!