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Free activities for Grades K–8

Math games and manipulatives for online and remote learning

Whether you’re teaching in a 100% remote or hybrid environment—or looking for resources to supplement your regular lesson plan—Mathigon can help you bring math to life for your students.

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What is Polypad?

Polypad is an open canvas for using the world’s best virtual manipulatives for exploring, creating, and discovering mathematics. Teachers can easily set up canvasses for students and review how they use the dynamic (and dare we say fun) manipulatives.

Many of our favorite activities were created in Polypad. Check out the quick video to learn more.

Ready-to-use activities

All of the activities below are ready for you to use with students. Visit the teacher tutorial page to learn about creating Mathigon classes, adding students to your classes, connecting your LMS to Mathigon, and more.


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Multiplication by Heart

Multiplication by Heart is a set of interactive multiplication questions that track students’ progress and enable them to visualize multiplication problems. Watch the tutorial video and read the FAQs to learn more about Multiplication by Heart.

Activities:

  • Assign 5 minutes of practice/day.
  • Fill in extra class time with play.
  • Supplement your lesson with independent practice time.
Launch Multiplication by Heart

Origami

Origami is a fun and hands-on way to integrate art in math class while integrating content and skills from geometry.

Activities:

  • Share the link with parents to have the whole family get involved.
  • Have students build Origami dragons during class time.
  • Invite an art teacher to discuss color theory and design.
Build Origami

Timeline of Mathematics

Did you know the first known evidence of math comes from 20,000 BCE? Or that trigonometry was discovered among the stars?

Mathematics is a field of discovery, wonder, and exploration, and the Timeline of Mathematics can bring that to life for students.

Activities:

  • Assign students to a specific era and have them put together a report to share with the class.
  • Have students participate in this scavenger hunt.
  • Integrate interdisciplinary learning with history into your different math lesson plans.
Explore the Timeline

Factris

Tetris is fun, but what’s more fun? A version of Tetris that integrates geometry, factors of numbers, and problem-solving skills. Sounds too good to be true? Well, that’s exactly what Factris is.

Activities:

  • Fill in extra class time with gameplay.
  • Celebrate the completion of your geometry or multiplication unit.
  • Host a class competition to find the highest scorer.
Play Factris

Tangram builder

There are countless different shapes that can be created using the seven Tangram tiles. What can you and your students come up with?

Activities:

  • Celebrate student creativity with a Tangram contest in class.
  • Have students use Tangrams to represent themselves.
  • Integrate STEM by having students write an algorithm to build a Tangram that a partner has to follow.
  • Have students create their own Tangram puzzle for their classmates to solve.
Create a Tangram

Pattern blocks

Use Mathigon’s pattern blocks to create engaging lessons that help students identify geometric shapes, colors, and more.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Geometry.
  • Click Polygons.

Pentominoes

Pentominoies are shapes made by joining five squares together. There are 12 of them in total, and they can be used for various geometry and interdisciplinary art activities in math.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Geometry.
  • Click Polyominoes.

Tetrominoes

Tetrominoes are shapes made by joining four squares together. Tetrominoes can be used for various geometry, algebra, and interdisciplinary art activities in math.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Geometry.
  • Click Polyominoes.

Protractor, ruler, and compass

These tools need no introduction. You know them, and now you and your students can use them online.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Geometry.
  • Click Utensils.

Rekenrek

The Rekenrek is a math tool created by Adrian Treffers. It means “counting rack” and encourages students to develop their number sense.

Activities:

  • Show a number on the Rekenrek and ask how many it is and how they know.
  • Ask students to show a number on the Rekenrek.
  • Model story problems, like “I have three flowers, but I pick four more”.

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Numbers.
  • Click Additional Tools.

Base ten blocks

Base ten blocks are groupings of blocks representing 1, 10, and 100. They offer a spatial model of the base ten number system.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Numbers.
  • Click Number Tiles.

Multiplication grid

The multiplication grid cover multiplication from 1s to 12s. Students use the grid to see patterns and compare operations across this range.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Numbers.
  • Click Number Grids.

Fraction bars

Fraction strips are a visual representation of fractions that help students understand, compare, and work with fractions.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Fractions.
  • Click Fraction Bars.

Number bars

Number bars are different colored rectangles representing different numbers in math. They can help students understand basic operations, like addition and subtraction.

Activities:

  • Explore equality with number bars.
  • Check out number bars and the Fibonacci pattern.

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Numbers.
  • Click Number Bars.

Prime factor circles

Prime factor circles visualize the process of breaking down numbers into prime numbers. They use different colors to represent divisibility. Integrating these in your lessons gives students a hands-on activity to engage with prime factorization.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Numbers.
  • Click Prime Factor Circles.

Algebra tiles

Algebra tiles are different shaped square and rectangular tiles used to represent numbers and variables. That way students can visualize basic algebra equations.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Algebra.
  • Click Algebra Tiles.

Balance scale

Will it balance? Practice probability, algebra, and basic operations using the balance scale with your class.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Algebra.
  • Click Algebra Balance Scale.

Coordinate axes

Let’s get plotting! Plotting graphs, that is. Mathigon has a variety of graphing tools like coordinate axes, data tables, charts, and more so you can address data-related topics with students.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Algebra.
  • Click Coordinate Axes.

Coins, dice, and spinners

Your favorite probability tools are now online. Use coins, dice, and spinners to introduce students to probability content and skills.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Probability and Data.
  • Click Coins, Dice, and Spinners.

Chess

Your students can teach themselves how to play with the Polypad chessboard—well, technically, Mathigon teaches them how to play. They’ll learn strategies and the rules of the game and compete with each other.

Activities:

  • Have students learn chess while at home (learn how to use the chessboard).
  • Host a virtual chess club.

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Games and Applications.
  • Click Chess.

Dominoes

Dominoes are not just a fun activity over the game table. They also have real mathematical value. Explore how you can use these virtual dominoes as mathematical manipulatives.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Games and Applications.
  • Click Dominoes.

Clocks

Whether you’re teaching students how to tell time or measure the angles of the hour and minute hand, clocks integrate easily into your math class with these activities.

Activities:

How to access them:

  • Navigate to Polypad.
  • On the left-hand menu, click Games and Applications.
  • Click Clocks.

How are you using Mathigon to keep students engaged?

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