Plus Minus is a mathematical Game, which learns you to make quick calculations.
This Game trains your skills in add and subtraction on different small numbers.
Your goal is to move small tiles from the center of the Screen to the upper or bottom area. Each area is summarized, and this result should match tile shown on the right.
If your calculation is good, You'll receive points, if not - then you'll lose one of your's life.
Good luck and meet you on a GameCenter.