Build student understanding of the defining attributes of triangles with this sorting activity. Students will cut out different shape cards and sort them into examples and non-examples of triangles.

Introduce kids to key math skills on this shape-filled worksheet. Kids count and color the different shapes, then make a graph to show how many are pictured.

Can your first graders tell the difference between a square and a cube? How about a triangle and a cone? Use this geometry assessment to gauge your students’ abilities to use attributes to sort 2-D and 3-D shapes.

Kids sometimes don't distinguish between a shape that's open and one that's closed. Here, kids can see the difference as they classify shapes as open or closed.

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

Bust out those crayons, it's time to test your knowledge of basic shapes! Have your first grader sort out these shapes by color.

This shape challenge worksheet doubles as a coloring page, and builds early geometry skills.

Pentagons make for perfect houses! Help students to identify and develop an understanding of this 2-D shape with this fun activity. Students will sort out the pentagons from other shapes and then turn them into houses.

Here's a geometry challenge for your first grader that puts his counting skills to work: can he count the number of sides each shape has?

Spark your first grader's excitement for geometry with a little outer space shape practice. Can he count all the shapes in this space scene?

Here's a worksheet that shows kids how shapes can be found in real things by asking them to find and count all the different shapes in a picture of a garden.

Here's a worksheet that gets kids thinking all about shapes and their sides to help them understand what makes a side a side.

A fun intro to geometry, this first grade math worksheet will help your child practice shape recognition and classification.

Looking for a worksheet to help you child's math skills in fractions? This printable will give him practice identifying the fraction 1/4.

Show your child that shapes are more than just lines on a page with this worksheet that challenges him to find all the shapes in the picture.