Add Up Fast - Subtraction Math
- August 1, 2015
- ArchSquare
15 seconds of speed math to boost your brain power. The rules are simple: Tap the right answer for the equation. Players have 15 seconds to get as many questions right as possible. The questions get progressively hard as more questions appears. 4 GAME MODES: ------------------------------ 1) Addition 2) Subtraction 3) Multiplication 4) Division