Students get to practice measuring angles using built-in protractors in this fun geometry activity! After measuring, they'll put their angle knowledge to the test by classifying each angle as acute, obtuse, right, or straight.

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

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.

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

Learn some basic geometry with this worksheet all about the angle.

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

Help students learn how to use a protractor.

Put that protractor to good use! In this geometry worksheet your student will practice measuring each of these angles using a protractor.

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

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

Use this year-end assessment to check students’ grasp of key fourth grade geometry concepts.

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