Drawing Polygons

I wonder what polygons can be drawn on dotty paper... Take a look at our images, draw some of your own, and see what you can discover...

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Tiling Troubles

Why can you only use three of the regular polygons to tile a wall?

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The Power of Triangles

The triangle is one of the simplest shapes there are. But this doesn't mean that it's not important!

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Creating Squares

Can you create a complete square before the computer? Play the interactive game and see if you can find a winning strategy.

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Drawing Squares

If you wanted to draw squares on dotty paper, could you start with any two dots?

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Squares from Diagonals

If you were given a diagonal of a square, do you think you could figure out where all four corners go?

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Maxagon

Draw polygons on different sizes of dotty grid. What's the maximum number of sides you can create?

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Rhombuses

If you wanted to draw a rhombus on dotty paper, could you start with any two dots?

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Rhombus Diagonals

Can you draw some rhombuses that share a diagonal? There may be more than you are expecting...

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Dotty Grids Resources

Here are some resources to help you explore dotty grids, including some printable grids and an interactive environment.