Learn about rotational symmetry with an exercise that's simple and easy to understand.

This tangram tree is a festive way to put your child's math and reasoning skills to the test. Make a tangram tree with your child this Christmas season.

Your fourth grader will need to use his geometry skills to calculate and create rectangle perimeters. He'll also improve addition and multiplication skills.

Can your fourth grader help Grandma make a quilt? They'll get valuable practice working with basic geometry.

Can your third grader help the Mouse family find their new dream house? They'll find the total areas to determine which house has an area over 55 square feet.

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