These are some applications that are used to help with math education
Free iPad app: http://itunes.apple.com/us/app/math-workbook/id467548534?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/math-workbook/id467548534?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/motion-math-hd/id410521340?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/motion-math/id392489333?mt=8&uo=4&at=10l6SU
Edmodo app: http://www.edmodo.com/publisher/motionmath
Free iPad app: https://itunes.apple.com/us/app/thinking-blocks-addition/id668450919?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/fluidmathfree/id594266234?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/fluidmath-2014/id631419906?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/teacherkit/id389584618?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/teacherkit/id389584618?mt=8&uo=4&at=10l6SU
Paid Mac program: http://www.softmath.com/ordering-algebra.html
Paid Windows program: http://www.softmath.com/ordering-algebra.html
Free iPad app: https://itunes.apple.com/us/app/math-fight-fun-2-player-mathematics/id738947827?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/math-fight-fun-2-player-mathematics/id738947827?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/fx-algebra-for-education/id832318465?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/fx-algebra-for-education/id832318465?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/fraction-math/id360528226?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/fraction-math/id360528226?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/long-division/id341041204?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/long-division/id341041204?mt=8&uo=4&at=10l6SU
Paid Windows program: https://www.microsoft.com/en-us/store/p/long-division/9p5v1drlm713