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

On this worksheet, your third-grader will be asked to find the right angles and label them with the right angle symbol.

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

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

Can your kindergartener recognize triangles? Give her some extra practice with this worksheet. She'll draw triangles and pick them from a box of other shapes.

Kids completing this third grade math worksheet practice identifying right angles, acute angles, and obtuse angles.

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.

Give your third-grader practice labeling angles on this geometry worksheet

Challenge your third grader to identify acute, right, and obtuse angles with this geometry worksheet.

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

This worksheet asks kids to help the captain steer the ship wheel by according to the angle measurements given.

Knowing how to identify right angles is a huge part of geometry. Help your child get to know his right angle shapes with this worksheet.

In geometry, an angle is formed when two lines meet. Use this resource with your students to enhance their understanding of angles in polygons. Students will seek to identify and differentiate between right angles and other angles across various shapes.

Help your students bring mathematics to life! In this exercise, your students will create word problems to accompany a shape with the length of each side labeled.

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

Looking for a worksheet to help practice basic geometry? This printable works with identifying different types of angles.

In this third grade geometry worksheet, your child will practice identifying right, acute, and obtuse angles.

Help your child learn to recognize scalene triangles with this 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

Take an educational trip to the zoo with this word problem worksheet for third and fourth graders!

Shape up those problem solving skills with a fun block puzzle activity, comparable to tangram puzzles!

All of these pictures are hiding some sneaky triangles. Can your kindergartener find them all in this colorful worksheet?

Find all the triangles in this fun shapes coloring worksheet!

Here's a colorful math challenge for your kindergartener: can he count up all the triangles in the birthday party scene?

Angles come in all kinds of shapes and sizes—can you spot them all? Use this resource with your students to practice finding all the angles in 2-D shapes. Your students will then be challenged to identify right angles in two-dimensional shapes.

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.