Subjects

Math

English Language Arts

Science

Social Studies

Foreign Language

Grades

Pre-K

Kindergarten

1st Grade

2nd Grade

3rd Grade

4th Grade

5th Grade

6th Grade

7th Grade

8th Grade

Worksheets

Games

Build a Worksheet

Word Scramble

Word Search

Crossword Puzzle

Sudoku Generator

Addition Worksheet Generator 

Subtraction Worksheet Generator

Multiplication Worksheet Generator

Division Worksheet Generator

See All

More Resources

Arts & Crafts

Hands-On Activities

CVC Words

Guided Lessons

Common Core State Standards

Common Core Math

Common Core ELA

Roly Recommends

Weekly Recommendations

Early Childhood

Social Emotional Learning

Holidays

Winter

Kwanzaa

New Year

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

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

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

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

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

Learn the associative property of addition with this inviting worksheet!

Associative Property of Addition: Rewrite the Expression

Space out with this shapes worksheet, where kids identify basic 2D shapes.

Shape Pictures: Space Travel

This shape challenge worksheet doubles as a coloring page, and builds early geometry skills.

Basic Shapes: Color and Count

Challenge your young mathematician with some solid shapes like cubes, pyramids, prisms and cones!

Plane and Solid Shapes

Kids sometimes don't distinguish between a shape that's open and one that's closed. Here, kids can see the difference as they classify shapes as open or closed.

Looking at Shapes: Open or Closed?

Get practice writing two-digit subtraction equations using an number line with this first-grade math worksheet!

Subtracting Tens on an Open Number Line: Write the Equation #2

Get practice writing two-digit subtraction equations using an open number line with this first-grade math worksheet!

Subtracting Tens on an Open Number Line: Write the Equation #3

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.

ABC Pattern

A fun intro to geometry, this first grade math worksheet will help your child practice shape recognition and classification.

Shape Challenge: Find the Different Shapes!

Boost your child's understanding of geometry dimensions with this worksheet that challenges her to match 2D and 3D Shapes.

2D and 3D Shapes

Almost everything is made up of common shapes your kid is sure to recognize. Here's a worksheet that asks him to use shapes to make pictures of real things.

Shapes and Pictures

Practice writing subtraction equations using the number line strategy with this first-grade math worksheet!

Subtracting Tens on an Open Number Line: Write the Equation #1

Catch the coins with your child, and help him learn how to identify quarters, dimes, and more. Kids will also stretch their counting and shape skills.

Catch Those Coins! #8

Everyday Circles

Everyday Rectangles

Try adding groups of bees, butterflies, and other assorted bugs in this beneficial worksheet!

Addition to 10: Adding Bugs

Master addition within 10 with this math fluency worksheet!

Fact Fluency: Addition to 10

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Teacher Editions

Resource Type

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Grade Level

Birthdays

Women's History Month

St. Patrick's Day

Ramadan

Passover

Spring

Easter

Earth Day

Cinco de Mayo

Mother's Day

Memorial Day

Asian Pacific American Heritage Month

Graduation

Summer

Summer Packets

Father's Day

Independence Day

Back to School

Labor Day

Fall

Hispanic Heritage Month

Halloween

Dia de los Muertos

Veterans Day

Thanksgiving

Christmas

Hanukkah

Martin Luther King Jr. Day

Lunar New Year

Valentine's Day

Presidents' Day

Black History Month

Occasion

Common Core

Mazes

Dot to Dot

Ball Games

Crossword

Fitness & Exercise

Group Games

Memory Games

Outdoor Games

Printable Board Games

Puzzles & Sudoku

Scavenger Hunt

Travel Games

Word Puzzles

Game Type

Fabric Projects

Beads & Jewelry

Paper & Glue Crafts

Construction & Sculpture

Painting & Drawing

Recycled Crafts

Coloring

Snacks

Mains

Sides

Dessert

Recipes

English Language Support