First grade math

Finally a utility to make your childs coach in addition and subtraction of first grade with fun and ease.
You can keep an eye out for errors, voting, and the amount of operations performed.
Retractable keyboard split into tens and units.
Tap the right number, just in case mistakes, tap another time to bring him back to his place and correct.
Animations and funny sounds at the end of operation.
If the child for first grade math is difficult, there is the section schedule consisting of balls drawn on the blackboard, so that it can count on.
The application is for iphone 3g, iphone 4/4S,iPad and ipod touch with IOS 5.0.