Help your third-grader learn about right angle geometry with this simple geometry worksheet.

Help students learn how to use a protractor.

Introduce your child to different angles starting with an obtuse angle and see him find the obtuse angles in this worksheet.

This fun puzzle provides lots of angle practice for your child. Can they figure out which way the boat is facing after the last turn?

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.

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.

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

In this excerpt from an upcoming math workbook, your junior detective will make a positive ID on obtuse, acute and right angles.