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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!

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

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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