Children find the unknown angles for five triangles, then identify whether the triangle is right, acute, or obtuse, in this geometry worksheet.

Use this glossary with the EL Support Lesson Plan: Triangle Time.

Use these vocabulary cards with the EL Support Lesson Plan: Triangle Time.

Help your child learn how to identify an isosceles triangle with this geometry worksheet.

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

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 child learn to recognize scalene triangles with this worksheet.

Help your child practice identifying equilateral triangles on this geometry worksheet.

This printable worksheet includes six different shapes: Rectangle, circle, hexagon, rectangular prism, sphere, and triangle. Can they match the shape to its name?

See if your child can find all the triangles hidden on this geometry worksheet.

On this geometry worksheet, your third-grader will look at the different triangles and label them as equilateral, isosceles, or scalene

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.

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

Children will take note of the everyday shapes that surround them in this fun geometry activity.

Help your third-grader learn to recognize quadrilaterals with this geometry worksheet.

Are your students ready to learn about equal shares? Then, this worksheet is for them!

This fun cookie worksheet will help your students learn to divide cookies into halves, thirds, and fourths.

In this worksheet from our How to Draw series, emerging artists can learn to break pictures into geometric shapes.

Help your third-grader learn to recognize the identifying features of a polygon on this geometry worksheet.

Kids learn about symmetry in this fun 2nd grade geometry worksheet by drawing the other half of each picture to make a symmetrical shape.

Sometimes the best way to learn 3-D shapes is a hands-on approach. Practice drawing cubes with this fun tutorial about drawing in 3-D.

On this worksheet, your child will learn to name polygons and identify them in the world around him.

Help your child learn about ABC patterns, and then create his own. This shape pattern worksheet is a great way to exercise early math skills.

Trapezoids are quadrilaterals with only one pair of parallel sides. This worksheet will help your students learn to identify and distinguish trapezoids from other two-dimensional shapes with the help of a word bank.

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

If your child is beginning to work with patterns, this AABB pattern worksheet will help her learn the basics. Help your child identify and create patterns.

Is your child in need of a geometry review? This worksheet covers the basic 2-D shapes, from circles and triangles to pentagons and hexagons.

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.

Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Triangles, trapezoids, rhombi...oh my! Identifying different shapes is an important milestone for young learners. Use this colorful activity to assess your first graders’ abilities to recognize and differentiate between 2-D shapes.