1, Content and Compilation: Xuesi Cheats is a set of extracurricular mathematics textbooks published by Modern Education Press. This secret book includes primary school mathematical thinking training course and primary school mathematical thinking training exercise, which is divided into 12 grades, covering primary school 1 to grade 6, with 20 topics in each grade. The Point and Midpoint is a workbook compiled by the Teaching and Research Department of Learning and Thinking, focusing on the consolidation and application of knowledge points.

2. Applicable people: The Secret Book of Learning Thinking is suitable for children with strong learning ability and interest in mathematics, and can be used as a supplement to mathematics learning in class. However, every hour is suitable for in-class mathematics learning, which is mainly used to practice and consolidate the knowledge points learned.