Description

Plus or minus - Free Math Lesson is a new educational Math game that will improve your Math skills in an entertaining and challenging way!

Choose from easy, normal, hard difficulties and try to solve the formulas as fast as possible! Your score depends on your speed! All you need to do is to assign plus or minus to the empty fields by tapping on them! Submit your score to see who is the best mathematician!

Features:
- 3 difficulties
- educational Math game
- global leader boards
- great fun not only for kids
- 100% free full version with no In-Apps!