To everyone in the lower grades of elementary school
The abacus is said to develop not only computational power, but also concentration and memory, and because it can be studied in the same classroom as other children of different ages, it is said that it will naturally acquire sociality and competitiveness. It is.
To everyone in the upper grades of elementary school
It is important to continue the abacus. It's a waste to stop the abacus that you started learning as a child. It is recommended that you continue to improve your study skills.