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

Christmas

Hanukkah

Kwanzaa

Showing Results for 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

Help your child learn to recognize scalene triangles with this worksheet.

Scalene Triangles

Help your child practice identifying equilateral triangles on this geometry worksheet.

Equilateral 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

How much does your fourth grader know about triangles? Can he figure out the missing angle in each of these triangles?

The Missing Angle: Triangles

On this geometry worksheet, your third-grader will look at the different triangles and label them as equilateral, isosceles, or scalene

Identifying Triangles

See if your child can find all the triangles hidden on this geometry worksheet.

Count the Triangles

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

Three Types of Triangles 

Help your child learn how to identify an isosceles triangle with this geometry worksheet.

Isosceles Triangles

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

In this fourth grade geometry worksheet, your child will learn how to calculate the area of a pentagon by breaking it down into rectangles and triangles first.

Calculating the Area of a Pentagon

In this fourth grade geometry worksheet, your child will learn how to calculate the area of a hexagon by breaking it down into rectangles and triangles first.

Calculating the Area of a Hexagon

Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Geometry: Comparing Trapezoids & Other Shapes

Give your students a chance to sort polygons into categories that make sense to them.

Polygon Shape Sort

Square Tangram

Kids practice identifying simple shapes based on descriptions of their attributes.

Identifying Shapes By Attributes

Knowing how to identify right angles is a huge part of geometry. Help your child get to know his right angle shapes with this worksheet.

Shapes With Right Angles

On the road again! Kids identify 2D and 3D shapes in this sorting game.

2D and 3D Shape Sort: Car

Learn more about geometry by creating a 3-D triangular pyramid! Color, cut, fold and glue together the flaps to create a triangular pyramid.

Triangular Pyramid

Learn more about geometry by creating a paper triangular prism! This triangular prism makes for fun math learning and a great decoration.

Triangular Prism

This little chick is so cute that your child will want to make a whole flock to call her own.

Little Chick

In this worksheet, learners will find and draw a line of symmetry on nine shapes.

Draw a Line of Symmetry

Practice identifying parallel and perpendicular lines in the context of 2D shapes with this fourth-grade geometry worksheet!

Parallel and Perpendicular Lines in Two-Dimensional Shapes

In this fourth grade geometry worksheet, your child will learn how to calculate the area of an octagon by breaking it down into simpler shapes first.

Calculating the Area of an Octagon

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

Spider Web Shapes

Here's an innovative math puzzle that you can create with your fourth grade math student.

Shapes Puzzle

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Patchwork Placemats

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

Teacher Editions

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

Fall

Hispanic Heritage Month

Halloween

Dia de los Muertos

Veterans Day

Thanksgiving

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