Authors: (Korean) Zhu Huilan, translated by Wang Ning.

Press: Beijing Science and Technology Press

Publication date: 2006- 10- 1

Pages: all 5 volumes

ISBN: 9787530434246 Each part has friendly explanatory text for parents, which is very helpful for parents to guide their children to study at home.

Drawing lines and coloring are the basic contents of children's learning. Games such as stickers and eye-catching pictures can cultivate children's imagination and creativity and add a lot of interest to learning.

The learning content of each age group is divided into five levels. The learning content is gradual and deepened.

Through all kinds of interesting games and situations, learn the math courses of grade one and grade two in primary school, review what you have learned so far, and lay the necessary math foundation for your children before going to school. Step Mathematics (6 years old: 1)

Ladder Mathematics (6 years old: Grade 2)

Ladder Mathematics (6 years old: Grade 3)

Step Mathematics (6 years old: Grade 4)

Ladder Mathematics (6 years old: Grade 5)