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

Fall

Halloween

Dia de los Muertos

Showing Results for -in-open-and-closed-

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

Geometry: Name That Angle!

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

Identifying Angles

Master your knowledge of supplementary angles with this geometry practice sheet! Remember that supplementary angles add up to make 180 degrees.

Supplementary Angles

Get to know your complementary angles with this helpful practice sheet! Remember, complementary angles add up to make 90 degrees.

Complementary Angles

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

Right Angles Geometry

Kids get to know shapes better by counting their line segments, endpoints, and angles, and record the info in this handy chart.

Shape Basics: Lines, Endpoints, and Angles

Review second grade geometry concepts from two- and three-dimensional shapes to symmetry with this helpful shape study guide.

Shape Review: Line Segments, Symmetry, and More

How well do you know your angles? Let's find out! Use this geometry resource to help your students identify and differentiate between important angles such as acute, obtuse, straight, and right angles.

Know Your 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

2nd - 4th Grade

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Resource Type

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

Hispanic Heritage Month

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

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