Flashmath — Mental Arithmetic GameFlashmath is a free browser brain-training game. Solve mental-arithmetic problems against the clock — every correct answer buys you time and builds a combo, and the sums get harder as you go.How to play

Answer each arithmetic problem before the timer runs out.

Correct answers add time and grow your combo multiplier.

The difficulty rises the longer you last — chase your high score.

Flashmath needs JavaScript. Explore more free games at Tiny Arcade.