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Showing Results for properties of triangles

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

Get ready for a deep dive into the properties of addition with this first- and second-grade worksheet!

Under the Sea: Properties of Addition

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 hands-on lesson will get students thinking and talking about how the numbers in fact families are related. Use alone or with the lesson plan **Fact Family Trees.**

Fact Family Triangles

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

Practice describing, or classifying, different items by their properties in this inviting worksheet!

Classify Objects

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

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

Wind has its own unique properties that help shape the weather. Give your little scientist a heads up with these wind facts!

What is Wind?

Use pepper and soap to discover some fun facts about the properties of water.

Pepper and Soap Experiment

Your child will add up the dice to build a fact family number sentence. Then, she will use her math skills to complete the fact family triangle.

Fact Family Triangles with Dice

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

Fact Triangles: Addition to 10

Students will work hard to build shapes with straws in this hands-on lesson about the defining attributes of triangles. Use alone or with **Know Your Shapes.**

Triangle Time

This cruise ship could sure use your help figuring out which direction to go. Have your student color all the triangles and squares to find the island.

Triangle and Square Maze

Review common plane figures such as rectangles, triangles, circles and squares with your child as you hunt for all the shapes you can find in the picture.

Shape Dimensions

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

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

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

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.

2-D Shapes Check-in

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

Open Number Line Addition Within 1,000: Write the Equation #2

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.


A Solid Investigation

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

Give Me 10!

Determine whether items are hot or cold in this cut-and-paste activity for kindergarteners and first graders!

Sort Objects by Temperature

Do different types of oil mix or stack? Find out in this science fair project idea!

Do Different Types of Oil Mix or “Stack”?

Learn about the similarities and differences between objects in this colorful science worksheet!

Comparing Matter #2

Create a sun-shaped summer words chart in this DIY craft activity!

Summer Words

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