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

Diligently discover missing diameters with this seventh-grade geometry worksheet!

Practice using and modifying the area of a circle formula in this engaging geometry worksheet!

Assess your skill with semicircles in this seventh-grade worksheet!

Learners sleuth out the area of three triangles in this simple geometry worksheet.

Know a good geometry detective? Challenge your student to use the formula for calculating the area of a triangle.