How many sides does a triangle have? Three! Sort shapes that have three sides and shapes that don't have three sides with this wacky worksheet.

Master congruent figures in this eighth-grade geometry worksheet!

Ready to introduce your child to 3-D geometric shapes? This worksheet helps kids find 3-D shapes in the world around them!

Take a closer look at 3-D shapes with this fun worksheet that challenges kids to find 2-D shapes within 3-D shapes.

Have a blast coloring in this mandala made up of triangles and the number 3. This is a great way to remember that a triangle has three sides.

Help your third-grader learn how to draw a three-dimensional box with this fun worksheet.

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

This colorful worksheet challenges your fifth grader to find the total length of a ski trail using her division skills and geometry knowledge.

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

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

Build with blocks in this colorful worksheet on three-dimensional shapes!

Build complex structures out of common three-dimensional shapes in this hands-on worksheet!

Match the two-dimensional net to the three-dimensional shape in this engaging geometry worksheet!

These cookies have been partially eaten! Can your child tell what fraction of each cookie is left?

Send your child on a math mission to find shapes! He'll get to color code the different shapes he sees, building his fine motor skills.

Centimeter cubes have gone wild with these irregular shapes! Students will be challenged to calculate the volume of different shapes by counting the cubes.

Steering a boat is harder than it looks! Can your child use their angle and geometry knowledge to steer this ship in the right direction?

What does one semicircle, two parallelograms, three triangles and a rectangle add up to?

Here's an interesting paper project for young mathematicians: creating a 3-D paper cone.

Give your math learners practice finding the surface area of three-dimensional figures with this geometry worksheet!

Practice finding perimeters of partial circles with this engaging geometry worksheet!

Give your middle school math learners practice finding the surface area of three-dimensional figures with this geometry worksheet!

Give your middle school math learners practice finding the surface area of three-dimensional figures with this geometry worksheet!

Give your middle school math learners practice finding the surface area of three-dimensional figures with this geometry worksheet!

Brush up on complementary, supplementary, vertical, and adjacent angles with this helpful worksheet for seventh graders!

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

Help kindergartners learn to distinguish between two- and three-dimensional shapes with this inviting shapes maze! 

Can your kindergartener arrange the shapes to make a truck? Let her practice her shapes with this colorful and hands-on math game.

Get your preschooler excited about math with this complete-the-pattern worksheet. She'll look at the pattern of shapes, then draw the one that comes next.

Assess your students’ understanding of the differences between 2-D and 3-D shapes using this shape assessment.