Mental arithmetic training application.
If you win 10 games in a row, you will go to the next level.
level1 : 33÷1, 38÷1, ....
level2 : 76÷2, 64÷2, ...
level3 : 102÷3, 111÷3, ....
level4 : 128÷4, 152÷4, ...
level5 : 170÷5, 195÷5, ...
level6 : 192÷6, 210÷6, ....
level7 : 217÷7, 252÷7, ...
level8 : 264÷8, 280÷8, ...
level9 : 288÷9, 342÷9, ...
level10 : Practice
In Japan, 8-9 years old (3rd grade)