Your goal is to write a mathematical expression with the tiles available on screen, so that the expression matches the result shown after the "=" symbol on the bottom line.
You can use some of the tiles or all of them. If you manage to write a correct expression made up of every available tile, you'll get a skip point, which allows you to skip a level if you find it too difficult.
Playing expression free online game support all smartphones or tablets, such as iPhone, iPad, Samsung and other Apple and android system.