Quick Addition

Are you looking for a challenge? Then you need look no further. Quick Addition is a simple, yet challenging mathematics game that can be enjoyed by all age groups. Attempt to beat your personal high score, or even refine your problem solving skills in the original game mode! Calculate as fast as you can to achieve the highest possible score before the timer runs out in time trial! Show off your mathematical skills to your friends, and even challenge them to beat your high score.

The rules to the original game mode are very simple. Press the buttons on the number grid in order to reduce the target number to zero. If you go below zero, the game is over.
The rules to the time trial game mode are a little bit more complicated. You have a fixed set of time to score as many points as you can by reducing the target number to zero. If the target number goes below zero you will lose valuable points.