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

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

Give your kindergartner more practice classifying 2D and 3D shapes with this fun coloring worksheet!

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.

Shape, rattle, and roll! Kindergartners will love classifying 2D and 3D shapes with this coloring worksheet. 

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.

Help your students determine if a shape is regular or irregular!

What is the name of this shape? Is it a parallelogram or square? Teach your students to classify two-dimensional shapes using a Venn diagram.

Use this handy worksheet to help your students review those tricky polygons!

Help your students identify the differences between regular and irregular polygons!

Strengthen your child's geometry skills with this printable worksheet. Use this resource with your students to classify two-dimensional shapes like parallelograms, quadrilaterals, squares, and triangles.

Fifth graders review types of angles, triangles, and polygons in this handy geometry review.

In this 3rd grade geometry worksheet, your child will complete each polygon using a ruler, then identify what type of polygon it is.

Put students’ understanding of coordinate planes to the test with this engaging geometry activity!

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

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.