Keep your mental math skills sharp with Arithmatrix. This fun tile-based game is easy to pick up and play. A board of tiles lie face down. The other side of the tile contains a number. Select two tiles and you'll be presented with an equation to solve within a set amount of time.

Arithmatrix is customizable, so you can choose your difficulty level and what type of operations you want to solve (addition, subtraction, multiplication, and division). Try to best your top score, or your friends' top scores.