Jack has three blue tiles, three yellow tiles and three red tiles.
He put them together like this to make a square.
He made the rule that you could not put two tiles of the same colour beside each other.
Can you find another way to do it?
Can you find ALL the ways to do it?
You could try out some ideas using this interactive:
Printable NRICH Roadshow resource.
Click here for a poster of this problem.