Junior high school mathematics studies geometry and algebra, while senior high school mathematics studies algebra. Probability and statistics are arranged and combined, and little is learned about geometry.

The overall difficulty of junior high school mathematics is not high. The expansion of the number system and the square root of junior high school students are very simple things. In junior high school, they will learn simple plane geometry knowledge and simple function knowledge (linear function and inverse proportional function), and they will also learn factorization, which is a major difficulty in junior high school mathematics.