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

Back to School

Fall

Hispanic Heritage Month

Showing Results for worksheet slideshow treehouse 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

Learn some basic geometry with this worksheet all about the angle.

Basic Geometry: Anatomy of an Angle

Help Simon the Spider create 90 degree angles with this playful Halloween geometry worksheet!

Spider Web Angles

Help your third-grader learn about right angle geometry with this simple geometry worksheet.

Right Angles Geometry

Introduce your child to different angles starting with an obtuse angle and see him find the obtuse angles in this worksheet.

Obtuse Angles

Put that protractor to good use! In this geometry worksheet your student will practice measuring each of these angles using a protractor.

Measuring Angles

Once students understand angle basics, challenge them to find missing angles in this exercise!

What's the Angle?

Students practice identifying prime numbers, regular polygons, and irregular polygons!

It's a Maze of Hexagons!

Students get to practice measuring angles using built-in protractors in this fun geometry activity! After measuring, they&#39;ll put their angle knowledge to the test by classifying each angle as acute, obtuse, right, or straight.

Measure and Classify Angles

Supplementary, Complementary, Vertical, and Adjacent Angles

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Grade Level

3rd and 4th Grade

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Resource Type

Common Core

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

Labor Day

Halloween

Dia de los Muertos

Veterans Day

Winter

Holidays

Thanksgiving

Christmas

Hanukkah

Kwanzaa

New Year

Martin Luther King Jr. Day

Lunar New Year

Valentine's Day

Presidents' Day

Black History Month

Occasion

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