Check out Math Ocean a challenging math app, for kids and adults. It requires just basic two digit arithmetic, but the levels range from very easy to extremely challenging.Kids can play or practice their math and earn points for every right answer.
What's new in version 1.0
ReleaseJanuary 4, 2014
Date AddedDecember 17, 2013
Additional RequirementsCompatible with iPod Touch (3rd generation or later, iPhone 3Gs, iPhone 4, iPad. iTunes account required.