Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.

When you have played the game, why not put your new skills to the test and download this fun activity sheet?

Find out how tessellation is when shapes fit together in a pattern with no gaps or overlaps. Shapes with 4 sides Explore four-sided shapes looking at straight lines, curved lines and 2D shapes. What ...