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Showing Results for properties of triangles

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

Sorting Triangles

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Identifying Triangles: Right Triangles

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Identifying Triangles: Acute Triangles

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

Obtuse Triangles: Identifying Triangles

Don’t be a square; let your students learn about the different properties of quadrilaterals through this fun exercise.


Properties of Quadrilaterals

Give your third grader some extra practice with one of the key properties of multiplication: distributive property.

Properties of Multiplication: Distributive

Build subtraction sentences with fact family triangles in this engaging worksheet!

Fact Triangles: Subtraction Within 10

Find the facts within the number triangles in this engaging subtraction worksheet!

Fact Triangles: Subtraction Within 20

Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.

Vocabulary Cards: Fact Family Triangles

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

Make Your Own Fact Family Triangles

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

Everyday Triangles

This worksheet offers a variety of hands-on practice problems to help reinforce learners&#39; understanding of the identity property.&nbsp;

Properties of Multiplication: Identity

If your child scratches their head when it comes to the associative property of multiplication, this worksheet is sure to clear things up!

Properties of Multiplication: Associative

This worksheet introduces children to the commutative property, then uses a series of prompts to help them practice it.

Properties of Multiplication: Commutative

Can you tell the difference between the associative, commutative, and identity properties?

Name That Addition Property!

Master your addition facts with this colorful, inviting math worksheet!

Fact Triangles: Addition to 20

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.

Triangle Sort

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

Geometry Review: Angles and Polygons

Grab your fishing rod and see how well you know the properties of quadrilaterals!

Dino Fishing: Identifying Quadrilaterals

Children explore the concept of commutative properties with the visual aid of arrays.

Practicing Commutative Property with Arrays

Explore properties of operations while writing subtraction equations with this second-grade math worksheet!

Open Number Line Subtraction Within 1,000: Write the Equation #1

After practicing this exercise, students will be able to easily sort two dimensional figures based on their properties.


Classify Two-Dimensional Figures

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

Open Number Line Addition Within 1,000: Write the Equation #3

Challenge your students to identify or draw 18 different geometric shapes, including polygons, quadrilaterals, and triangles.

Geometry Task Cards

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

Triangle Angles

As students grow more comfortable with the order of operations, they’ll need this exercise to introduce them to working with one digit distributive properties.


Multiplication and the Distributive Property

This worksheets teaches one of three multiplication properties, commutative, which means that you can multiply numbers in any order and get the same product.

Multiplication and the Commutative Property

Focus on fact fluency within 10 in this colorful addition worksheet!

Fact Triangles: Addition to 10

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.

2-D Shapes: Fill in the Table

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.

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