Model how to find a missing exterior angle with this eighth-grade geometry worksheet!

This eighth-grade geometry worksheet introduces students to the Triangle Angle Sum Theorem and has them practice finding a missing interior angle in a triangle.

Practice solving problems using angle relationships with this seventh-grade geometry worksheet!

Give students a chance to practice finding the volume of a variety of cones with this eighth-grade geometry worksheet!

Get more practice solving problems using angle relationships with the second installment of this seventh-grade geometry worksheet! 

Your child will need to use their triangle knowledge to find the area of the sails on this sailboat.

Once your fifth grader has mastered the basics, it's time to start finding the surface areas of 3-D shapes--like cubes.