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Showing Results for properties of triangles

2D shapes are all around us! In this lesson students will explore the properties of four different shapes—triangles, circles, rectangles, and squares! They will learn that they can find these shapes anywhere in the world around us.


Finding All of the Flat Shapes

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

Give Me 10!

Practice subtraction with art! Help early learners grasp the concept of "taking away" using drawings. This lesson helps students work toward subtraction with numerals, and the mastery of simple shapes.

Art Subtraction

Sorting takes on a new challenge for students in this activity which engages their critical thinking skills. As students determine defining attributes, they’ll figure out what makes a shape a shape!

Shape Sort

It’s magic! In this lesson, students will “magically” move shapes together to form new shapes. Clay and toothpicks equal hands-on fun! Tangram challenges are provided for those students who need that little extra challenge.

Magical Movement

In this lesson, your students will become familiar with shapes by identifying them in real life. Your students will love identifying how many sides shapes have by drawing and counting them!

Know Your Shapes!

Discovery is exciting! In this hands-on lesson, your students will discover for themselves the rule behind the commutative property of addition.

Commuting and Computing

Your students will learn when to use less than and greater than and how to differentiate the two symbols in this lesson. They will have fun playing the role of the Less Than and Greater Than alligators!

Less Than or Greater Than Alligators

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

Learning about shapes isn't "square" with this lesson! Students will learn what makes up a shape and learn to draw them themselves which will turn into a fun hands-on clay molding activity.

Shape Identification: Bake 'N Buy

Teach your students about the shapes that make up the world around them with this lesson that has them identify shapes in the classroom and in drawn scenes.

The Shape of Me and Other Stuff

This snazzy lesson features Pete the Cat and His Four Groovy Buttons by Eric Litwin. Your students will love practicing their classification skills while playing with buttons of their own.


Button Classification

Let's get clapping! Help students extend their knowledge of patterns by using rhythm. After making musical patterns, students will translate the patterns into shape patterns. 

Rhythm Patterns

Identifying shapes and colors will come easily to students after listening to songs, playing bingo, and coloring a worksheet!

Shapes for Kindergarten!

Your students will love classifying shapes into groups with this simple coloring and graphing lesson. It includes a bunch of fun worksheets and a song to keep young mathematicians engaged.


Classify, Count, and Graph with Shapes

Yummy fractions! This lesson will introduce fractions to your students and help them identify and make fractions of their own.

Fun-tastic Fractions!

In this Black History Month lesson, students will learn about the traditional cloths and adinkra symbols from Ghana. Students will combine shapes to create symbols to decorate their own version of the adinkra cloths. 


The Adinkra Cloth: An Art and Math Lesson for Black History Month

Where do they fit? In this lesson, students will discover how shapes, numbers, and letters can be grouped into categories. With adaptable content, students can also be challenged to consider attributes such as size and color!

Shapes, Numbers, and Letters, Oh My!

In this lesson, your students will get hands-on practice comparing quantities! Students will compare using buttons, blocks, and their classmates.

More, Less, or Equal: Comparing Quantities

Students will love composing shapes using tangrams in this hands-on lesson! Use this plan alone or as a support lesson plan for the **Tangrams: An Ancient Chinese Puzzle** lesson plan.

All About Tangram Puzzles

Introduce your class to composite shapes with this lesson that reviews geometric shapes and makes use of tangram puzzles. This lesson will give your students a strong base for learning geometry later on in their school careers.

Terrific Tangrams!

Mae Jemison was the first African American female astronaut to enter space. Use the Get to Know Mae Jemison lesson plan to learn more about this famous scientist. Children will then read and write about her, and create their own paper rocket.

Get to Know Mae Jemison

How do you build spatial reasoning, critical thinking, and problem solving skills while doing something that is fun? With tangrams! In honor of Chinese New Year, this lesson introduces your students to the Chinese puzzle of tangrams. 

Tangrams: An Ancient Chinese Puzzle

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