Students practice finding the surface area of a variety of square and triangular pyramids in this sixth- and seventh-grade geometry worksheet.

Encourage your students to play math detectives by finding the missing base value in a series of obtuse triangles with this helpful geometry worksheet!

Does your child need a little more practice finding the area of a triangle? This worksheet will give them all the practice they need!

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

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

Your child will determine the winner of each boxing match by figuring out which box has the most surface area.

Invite your learner to be a geometry detective as they find the missing base in a series of acute triangles! 

Introduce your students to the concept of surface area with this concrete teaching tool.

Help Jameson plan his design for a quilting project in this coordinate plane performance task!

Put students’ understanding of coordinate planes to the test with this engaging geometry activity!