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Showing Results for of triangle

Classifying figures by features is a fundamental geometry skill. Use this lesson plan to teach your students how to categorize triangles by internal angle types. 

Classifying Triangles by Internal Angles

You'll see angles from every angle! Students will describe and compare different angles they see in everyday situations. Use this lesson on its own or use it as support to the lesson Classifying Triangles by Internal Angles.

Describing Angles

Shape up your students' understanding of geometrical attributes with this hands-on math lesson. Students will gain a better understanding of how to describe a shape by the number of edges and vertices it has, rather than by its name.

2-D Shapes

This lesson helps students understand the difference between polygons. It focuses on the root words of these terms to help students make connections to their prior knowledge, making it especially beneficial for ESLs.

Jumping Into Geometry!

Your students will have a blast thinking about polygons and making these paintings inspired by Wassily Kandinsky!


Kandinsky Shapes

A hands-on approach makes geometry fun! Use this lesson to teach your students about the basics of perimeter with geoboards. 

Perimeter with Geoboards

Make a math mystery! In this lesson, help your students understand the relationship between addition and subtraction and how a missing addend word problem is represented with a number sentence.

Mystery Addends: Representing Word Problems

Teach your students about symmetry with real life objects! Have them draw lines of symmetry for various shapes, food items, and objects.

Slice it in Half!

On some level, all humans want to feel peace and to feel loved. In this lesson, students will practice sending peaceful thoughts to themselves and others and discuss how these practices can support peace in their lives and community. 

We Are Peacemakers

Symmetry is everywhere, but it's often hard to notice. This lesson explores a few ways to identify it. By folding and making mirror images for different shapes, students will discover a new world of symmetrical figures.

Simply Symmetry!

Students will have fun engaging in activities that develop their ability to write sequential step-by-step directions. This lesson helps young learners with being detailed and using transition words in their writing.

Giving Directions: Tell Me How

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Polygon Perimeters with Tantalizing Tangrams!

In this lesson, your students will use their auditory, visual, and kinetic skills to learn about angles. Students will use their artistic and linguistic abilities to learn about angles and lines.

Angles and Lines

What's in the bag? This fun math lesson involves using defining attributes as clues to draw conclusions. Young learners will have a great time making guesses about different objects and creating their own shape riddles.

Shape Detectives: What's in the Bag?

Show your students how coordinate planes can be useful in seeing the distance between various locations! Have them draw shapes on a coordinate plane and determine the location of corners.

Are You At Your Destination?

Finding the perimeter of a polygon is a simple process with addition! Use this lesson to teach your students how to find the perimeter of polygons. 

Perimeter of Polygons

Beyond just prefix identification, this meaty lesson taps into your students’ thinking. Using a combination of analogies, constructing, and deconstructing words with prefixes, students will learn the meaning and mechanics of prefixes.


Pondering Prefixes

This lesson teaches students the basics of capitalization. Get your young writers engaged in writing fun sentences as a class before they write their own, using correct capitalization of course!

Capitalize Your Story

Where's the other half? In this lesson, young mathematicians learn the relationship between halves and symmetry through a fun scavenger hunt. Your students will have a blast figuring out what makes a shape symmetrical.

Half-to-Half Symmetry

This lesson on perimeter will let your students walk around the class to see the border, use a measuring tape to measure the walls in their classroom, and enable them to understand how math is related to real life!

Find The Perimeter: Real Life Objects

Explore the beauty of Navajo rug weaving with this lesson that integrates indigenous culture, math and art. Students will learn and practice symmetry and create a design in the tradition of the Navajo rug pattern called “Two Grey Hills”.

Recognize Indigenous People’s Day with Navajo Rug Design

Geometry is a core of mathematics in the early years. Help students recognize and draw shapes given specific attributes such as the number of corners and sides. This lesson can be a stand-alone activity of paired with 2-D Shapes!

Sides, Corners, and More, Oh My!

This lesson helps your students become confident mathematicians when it comes to representing fractions visually in a variety of ways. Use this lesson as a pre-lesson to Fraction Hunt or teach it independently.  

Fraction Visuals

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