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Polypad is the ultimate collection of virtual manipulatives by Mathigon. It has ready to use polygons, number and algebra tiles, fraction bars, fractals , pentominoes, and much more. You can find Polypad under the Activities section of Mathigon. When you create an account, you can save your Polypad files and share them with your students with their links.

On the sidebar, there are two tabs; Tiles and Library. When you click on Library, you may see the files (manipulatives) created by Mathigon as well as your own saved canvases.

At the very bottom of the sidebar, you can find the links to the page "Sample Lesson Plans and Video Tutorials".

I use Polypad a lot in my lessons and wanted to share the links of the lessons that I prepared; (This list will be updated periodically.)

You can save as copies and edit them as you wish.


Visual Patterns 3


Chairs around the Table Problem


Border Tiles Problem


Fractals 1 - 2


True Scale Multiplication Table


Pascal Triangle with Factors


Kolam Designs 1 - 2


Different Proofs of Number Sums


Visual Patterns 1


Visual Patterns 2


Penrose Tiles 1 - 2


Triangular Numbers


Proofs of Sum of Odd and Even Numbers


Construct different size squares on the grid.


Sphinx tiling


Tetrahedral Numbers


Cube Number


Unit Fractions




How many with Dice


Pick's Theorem


Sum of 1/2s and 1/4s




Dodecagon Dissection


Experimental Probability with the Galton Board and Coin Flips

Galton Board, Pascal Triangle, Normal Distribution and How can you change the distribution


Visual Proof of the Cube of a Binomial


Cube Numbers and Nicomachu’s Theorem:


Grid Paths


Number Bars and Fibonacci


Brick Walls and Fibonacci


Kite Squares


Diagonals of Rectangles


Mystic Rose


Number of Squares

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