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.

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.

Give your students a chance to sort polygons into categories that make sense to them.

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?

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

Are your students still tripped up by those tricky trapezoids? This geometry worksheet can help! Give your second graders a chance to have fun while they practice trapezoid identification with this cut-and-paste activity.

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.

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

Spark your young learner's excitement for geometry with this engaging 3D shapes coloring worksheet!

Identify angles in real-world examples and sort them based on their characteristics.

Sort parallel and perpendicular lines with this fun cut-and-paste activity!

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!

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.

This worksheet requires skills in shape and color recognition, and categorizing objects.

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

Is there something funny about this plane? Have some fun sorting out the modes of transportation with your little learner.

Angles, angles everywhere! Help students learn to recognize and count angles with this fun worksheet. By looking closely at the various shapes, students will gain practice classifying and sorting shapes based on how many angles they can identify.

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

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

Match that fraction! This worksheet features a fun fraction match game.

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