Math Help series consists of 37 volumes, including 36 math picture books, 1 thinking workbook and reading guide. It integrates mathematics, stories and games, and is divided into five parts: number and operation, quantity and measurement, figure and geometry, exploring laws and statistics, and probability, covering almost all important mathematical knowledge in primary school.

2. "Ma Xiaotiao plays math"

This can be said to be a graded reading, 1 to level 6, and parents can choose according to their needs. The book "Ma Xiaotiao Plays Mathematics" vividly explains one mathematical principle after another and how to solve problems with interesting stories.

3. Li Yupei's Mathematical Story Series

There are seven books in this set, namely Mathematical Commander, Adventures of Mathematical Kingdom, Mathematical Detective 006, Mathematical Zoo, Mathematical Intelligence, Mathematical Glasses and Journey to the West.

4. Wonderful digital kingdom

This book takes you for a walk in the garden of mathematics. You have learned a lot about mathematics. All this knowledge is at the entrance of the math park, or not far from it.

5.700 math games that children all over the world love to play.

This book carefully collects 700 math games that children all over the world like, which are divided into skill operation, application of interesting problems, clever filling of intellectual solutions, interesting geometry, playful thinking, reasoning and judgment, intellectual expression and unique creativity.

That's it. Goodbye!