Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

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.

Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

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

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

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

Practice using the converse of the Pythagorean theorem to identify right triangles with this eighth-grade math worksheet!

Turn your child into a geometry detective! How many degrees is each missing angle in these quadrilaterals?

Support students as they work their way through a proof of the Pythagorean theorem with this eighth-grade geometry worksheet! 

Let’s practice the Pythagorean Theorem with this engaging worksheet!

Find missing angles and side lengths in this tricky geometry worksheet!