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.

Decipher these patterns made from playing cards with your first grader.

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!

Sort out your shapes and colors with this challenging pattern quiz for young learners.

Sort out your shapes with this fill-in-the-bubble style quiz, perfect for standardized testing prep.

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

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.

These dogs and cats just can't seem to figure out where to stand! They need some help sorting themselves out.

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.

Challenge your first grader to find the two snowflakes that match in each of these wintry puzzles. He'll be reviewing his colors, shapes and comparison skills.

Give your first grader a mind-bending challenge to find the two suns that match in both size and color.

Challenge your first grader to find the two leaves in each box that match in size, shape and color. He'll be building pattern recognition skills as he goes.

Celebrate the spring season with a fun puzzle! Challenge your first grader to find the two flowers in each box that match in both size and color.