【實用教育app】Mental Math First Grade|最夯免費app-綠色工廠好玩App

Countless math to calculate to the sum of 16 out of your head! All Languages/countries can play this!!!This app is able to assign themselves countless amounts of time at different times, no sum remains the same, not even in the same place.Each scene is different!Drag the answer to the sum.Good answer? You hear a tone and see stars twinkle, you have solved a part of the picture.Wrong answer? The outcome rushes back to his place.There are several beautiful pictures!This app has no time limit!Practice as much and as often as you want…In no time you are the math engine of the first grade!For use at home and school.