Exploring Area

Drawing shapes on squared paper is a great way to work out their area. There are some well-known theorems to discover too...

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Queen Dido and the Circle

How to build a kingdom on a mathematical trick.

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Completing Quadrilaterals

We started drawing some quadrilaterals - can you complete them?

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Areas on a Grid

Draw some shapes on a dotty grid, and explore the relationships between the dots on the edge, the dots inside, and the area. Is there a theorem to describe what's happening?

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Areas of Squares

Is there a quick way to work out the area of a square drawn on a dotty grid? What if the square is tilted?

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An Appearing Act

Cut up a square and rearrange the pieces to make a rectangle. The shapes have a different area - how can this be possible?

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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.