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.

The animals are all mixed up--can your kindergartener sort them out and count them up according to kind?

Is it a square? Is it a triangle? This cut and paste worksheet will help your child categorize quadrilaterals, which are four-sided shapes.

Can your kid tell the difference between 2-dimensional and 3-dimensional shapes? Kindergarten is a good time to start!

Who says that you can't learn from playing? Invite your preschooler to sort out these silly shapes and put them together to make a funny face!

Stellar students, get ready for a math mission from outer space! Your child will get to help this alien sort and color the different shapes in this worksheet.

Help your child build logic and basic geometry skills with these tangram picture cards. He'll use his reasoning to re-create the picture on this puzzle card!

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

Trace, then color, then write, all while getting familiarized with basic shapes: circles, squares, triangles and rectangles.

In this playful geometry worksheet, children will decorate the alien using colorful cutout shapes and lines.

Oh, what a mix-up! With this worksheet, your child matches mixed-up shapes together.