It's a free app for kids, with noin-appsales.
The math game is easy and fun to play for children.
This game is a fun addition and subtraction game.

All in one for children;
Mental mathematics development
Fast thinking,
Memory development,
Practical thinking,
Future planning
Do not like mathematics
Success

* How to play?

At the bottom of the combines, the addition orsubtractionoperation indicates the operation to be performed inthathamlet.
The transaction changes after each move.
Addition> Subtraction
Subtraction> Addition,
Try to do it by picking a number you want and just moving it toanynumber in its vicinity
When you come on the operation will show you theresultautomatically.
The number you move is closed and you can not use thatareaagain.
Each second move comes back to a wildcard number.

Fun, Joyful Maths Collecting, Subtraction Application forPrimarySchool Children