1, universality: Mathematics is a universal subject with a wide range of applications. The content of primary school mathematics is mainly the basic knowledge of mathematics, which is the foundation of other disciplines.

2. Abstraction: The concepts and methods of mathematics are abstract and need students to understand and master through concrete examples. Mathematics teaching in primary schools requires teachers to properly guide students to think abstractly on the premise of ensuring students' understanding.

3. Logic: The reasoning process and proof process of mathematics discipline need to follow strict logic, and the teaching of mathematics discipline in primary schools should pay attention to the cultivation of logical thinking.

4. Practicality: Mathematics is a very practical subject. The content and methods of primary school mathematics need to connect with students' life and practical problems, and cultivate students' practical application ability.