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This would be a great video to introduce pi to students. It is an educational video for children to learn what number Pi is and how we use it.

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Number Pi - π - Math for Kids - What is Number Pi?

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This is a resource that can be used to explain what pi is. It can be a refresher to teachers as well as a resource used to show students visually how to find pi.

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What is Pi ? : Diving into the Depths of 3.14 and 22/7

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Desmos graphing calculator is an interactive resource for both students and teachers. It can be used in Geometry during concepts like transformations or creating different types of linear functions.

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Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

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Desmos Geometry Calculator is a tool that can be used when learning about points, lines, angles, and more. It allows you to create different types of shapes, bisect lines, create angles, etc.

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Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

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Anchor charts are helpful for students to refer back to skills or topics learned. This poster explicitly states the relationship pi has with the measurements of a circle.

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This is a great resource to start introducing geometry concepts to students through technology. It has different grade band geometry concepts.

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This is a math game website with many geometric reinforcing games, especially for the younger students. It includes games such as shape recognition, composing new shaped by combining smaller shapes, and introduction to area, among others.

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Practice geometry with our popular math games. Learn about shapes, area, perimeter and more.

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This is a video that talks about the History of Pi. It can help to highlight the evolution of mathematical understanding and how ancient civilizations contributed to our current knowledge. Understanding the significance can inspire a deeper appreciation for math and its role in solving real-world problems.

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The Story of Pi(π): from Pythagoras to Newton #some2

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This website lists multiple hands-on actvities for students to practice geometry skills. It's important for explicit, clear, and repetitive practices to be applied while teaching this topic of math.

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Geometry is one of the math units that students and teachers alike look forward to. Shapes, lines, angles, fractions, decimals, and more! There are so many fun activities that introduce concepts and give kids a chance to practice. Introduce your students to these 23 geometry games and activities and make math time the best part of your day.

1. Fit shapes together to make other shapes

Use pattern blocks with the free printable cards at the link to get kids playing around with simple geometry. They'll practice recognizing basic shapes and learn they can use some shapes to make new ones.

Learn more: Susan Jones Teaching

2. Color in a polygon quilt

Players take turns coloring in four connected triangles at a time, earning points for the shape they create. It's a fun way to practice polygons.

Learn more: E is for Explore

3. Play quadrilateral Bingo

Every square is a rectangle, but not all rectangles are squares. Get a handle on quirky quadrilaterals with this free printable bingo game.

Learn more: You've Got This Math

4. Learn about shapes with a Geo-board

Geo-boards are an amazing tool for inspiring creative thinking in your students. Use them to let students practice making simple shapes. Or download these free Geo-board activity cards for more challenges.

Learn more: Math Geek Mama

5. Create a quadrilateral family tree

A square is a rectangle but is a rectangle a square? Sometimes it's hard to know how to classify shapes. This fun activity lets kids explore shape families for deeper understanding.
Learn more: YouGotThisMath
6. Identify 3-D shapes in Mystery Bags

Place a 3-D shape block into each numbered bag. Kids work in groups or on their own to identify each shape only by touch (no peeking!).

Learn more: Susan Jones Teaching

7. Spin and build cookie fractions

Second grade math students begin working with basic fractions as a part of a whole. This free printable game helps them build those skills.

Learn more: Mrs. Ricca's Kindergarten

8. Divide Play-Doh shapes into equal shares

Second grade math students begin to work with the concept of fractions by partitioning shapes into equal shares. Play-Doh is perfect for this activity, giving kids hands-on practice in breaking shapes down into pieces.

Learn more: Smitten With First

9. Use LEGO bricks to learn fractions

In third grade math, students start learning fractions in earnest. Playing with LEGOs makes it fun! Kids draw cards and use colored bricks to represent the fraction shown. Check out even more ways to use LEGO bricks for math.

Learn more: JDaniel4's Mom

10. Match up equivalent fractions

Try a different kind of egg hunt to practice equivalent fractions. Write fractions on each half, then have kids find them and make the proper matches. (Make this harder by mixing up the colors!) Check out our other ways to use plastic eggs in the classroom.

Learn more: 123Homeschool4Me

11. Give Spoons an equivalent fraction twist

Spoons is a classic and beloved card game where players race to match four-of-a-kind and grab a spoon in each round. In this version, they're racing to match equivalent fractions (get some free printable cards to use at the link).

Learn more: Games 4 Gains

12. Declare a fraction war with dominoes

Each student draws a domino and positions it as a fraction. Then they compare the two to see whose is larger. The winning student keeps both dominoes. (See more cool ways to use dominoes for fraction games at the link.)

Learn more: Runde's Room

13. Declare a fraction war with cards

War is one of the original math card games, but this version adds a fraction aspect. Students deal two cards, a numerator and denominator, then determine whose fraction is the largest. The winner keeps all four cards, and play continues until the cards are gone. ( Click here for more fun and free fraction games. )

14. Use playing cards to practice decimal place values

Students take turns drawing cards, competing to build the highest possible number to the thousandths place.

Learn more: Games 4 Gains

15. Have a decimal snowball fight

Each student receives a stack of decimal "snowballs." They each flip one over and compare their numbers. The student with the larger number keeps both snowballs.

Learn more: Classroom Freebies

16. Play geometry vocabulary Go-Fish

While geometry can be light and fun, the vocabulary understanding needed to fully master geometry is huge! These vocabulary cards will help students master the lingo.

Learn more: Tarheel State Teacher

17. Play Pick a Polygon

This fun vocabulary geometry game involves drawing a card and properly identifying it. If the card is a polygon, the student gets to keep it. If not, the student must explain why not, remove that card from play and return all of their previously-drawn cards to the bag.

Learn more: Clutter-Free Classroom

18. Use pattern blocks to explore symmetry

Give students a container of pattern blocks, these free symmetry mats, and task cards, and let them explore the concept of symmetry.

Learn more: Lucky Little Learners

19. Fold shapes to discover symmetry

Break students into groups, and hand out a series of paper shapes. Challenge each group to experiment with folding their shapes to see which are symmetrical and how many lines of symmetry they have.

Learn more: Teacher Trap

20. Play geometry Bingo

Fourth grade math students love geometry games as they learn terms like line, ray, and types of angles. This free printable bingo game is a fun way to do it!

Learn more: You've Got This Math

21. Give students a practical way to use protractors

Use dry erase markers and masking tape to give students lots of angles to explore and measure! If you can't write on your tables, try using a big piece of butcher paper instead.

Learn more: Cursive and Crayons/Instagram

22. Battle with area and perimeter

Roll the dice to see the dimensions of your next rectangle, then mark it on the board. Try to fill your page completely before your partner does! (Have students write the area and perimeter in each block for practice along the way.)

Learn more: Unschooling Conversations

23. Learn about area and perimeter with LEGO bricks

These free, fun cards provide kids with LEGO building challenges that teach them math concepts and higher level thinking at the same time. Learning? Fun? Both!

Learn more: IGameMom

Love these geometry games and activities? You'll want to check out our roundup of division activities too.

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23 Geometry Games & Activities Your Students Will Love

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From quadrilateral bingo and LEGO fractions to geo-boards and domino fraction war, here are 23 fun geometry games and activities.

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Students can unleash their creativity with manipulatives, engage in problem-solving, explore patterns and collaborate with others.

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Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!