10 Wins Calc - Subtraction2 app for iPhone and iPad

4.6 ( 416 ratings )

Education
Developer: takeshi nakamura

0.99 USD

Current version: 1.0, last update: 7 years ago
First release : 17 Sep 2016
App size: 11.04 Mb

Mental arithmetic training application.
If you win 10 games in a row, you will go to the next level.

level1 : 12-10, 15-10, ...
level2 : 10-2, 10-7, ...
level3 : 11-3, 11-6, ...
...
level9 : 17-8, 18-9,...
level10 : Review Questions

In Japan, 6-7 years old (1st grade)