Speedy Brain Calculation, Fun Learning

Author: Chen Zijing
Publisher:
Publish Date: 2001-05-01
Features: The content of the book "Speedy Calculation with Abacus and Brain" mainly involves teaching children aged 3-6 through songs and games, helping them learn a combination of abacus and mental calculation methods. Through this learning, children can master the whole calculation methods of addition, subtraction, multiplication, and division before entering primary school (at the age of 6).