iTune link
https://itunes.apple.com/us/app/imathgenius/id521504939?mt=8
How often you've heard our kids are falling behind in Math/Science? Well, not any more if you check out this app and ask your kids to try it.....
iMathGenius is a math test game which aims to improve a player's math skill by playing an interactive game. The math difficulty levels span from Kindergarten, 1st grade, 2nd grade, 3rd grade, up to Pre-College level. The types of the test include basic number operations like addition, subtraction, multiplication, division; number comparison; number serial; decimal and fraction operation; unit conversion; geometry; trigonometry; algebra; logarithm; numerical power and root. Advanced tests also include complex number operation; number set theory; statistics theory; linear and quadratic equation; simple derivatives and calculus; and probability theory.