【實用解謎app】Brain Stretch: Math Addition|最夯免費app-綠色工廠好玩App

Do you know your addition tables? This game tests your addition skills. This is the lite version, the pro version will be available later this summer 2012 and will include more difficult addition problems. This game is perfect for elementary and middle school students or the adult who just wants to 'jog' their memory. The game starts out slow and easy and gets progressively harder and faster. Have fun!