Happy Math Learning－Addition and Subtraction app for iPhone and iPad

Designed for preschool babies early education puzzle game, let the children easily learn to add and subtract, win at the starting line! ~
Difficulty intuition reasonable, step by step, to ensure that children can master the 20 or less addition and subtraction of the operation;
Well-designed rich incentive mechanism, the children can use learning results to unlock massive props, so that children fully appreciate the sense of accomplishment to learn, and then fell in love with mathematics.

In this game, mathematics is no longer an abstract concept, addition and subtraction is no longer a boring operation, everything becomes so interesting ... ... want your child happy, easy to learn less than 20 additions and subtractions, love On math This game will be your best choice!