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

Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.

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.

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

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.

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

Test your preschooler's shape skills with this worksheet. Your child will need to identify which items are in the shape of a square.

Treat your little one to an Easter shape hunt! She'll practice identifying geometric shapes and categorizing them by coloring each shape a different color.

Ask your child to find all the triangles in this worksheet on identifying shapes. He'll hone his skill of identifying shapes, a key part of basic geometry.

This worksheet requires a child to identify what is a rectangle in this picture.