Are you ready for our next Maths investigation.
This one is called 'Creating Squares' and can be played on your computer or mobile device, or even quite simply with pencil and paper.
In this game below, the first to complete a square is the winner - but remember, there are lots of different ways to draw a square on a dotty page.
If you want to, you can play against the computer or a friend. And if you need some dotty paper, just click and print this 'Dotty Paper'