It is a math study app for children.
You can expect to solve the problem many times and speed up the calculation.
If you don't know the answer, you can think visually using marbles.
The difficulty level of the question is divided by level, so you can choose the level according to your ability.
If you answer a lot correctly, you will receive a reward (medal) for each level.
You can expect to solve the problem many times and speed up the calculation.
If you don't know the answer, you can think visually using marbles.
The difficulty level of the question is divided by level, so you can choose the level according to your ability.
If you answer a lot correctly, you will receive a reward (medal) for each level.
Show More
