Math ninjas can learn the secrets of the rectangle with this practice page about the area and perimeter of a rectangle.

Review second grade geometry concepts from two- and three-dimensional shapes to symmetry with this helpful shape study guide.

Put your geometry skills to the test by figuring out the area, circumference, diameter and radii of these delicious cookies!

Sort parallel and perpendicular lines with this fun cut-and-paste activity!

Build your geometry skills one 3D shape at a time with this visual activity geared towards kindergarten and first graders!