Extensive knowledge and appropriate depth control. Obviously, Japanese primary schools have a wider knowledge of mathematics than China primary schools, especially the elementary knowledge of geometry, which is much more than China primary schools. However, most of the content is not in-depth, and it is stipulated that there will be 29 class hours per week for 6 years. This not only meets the needs of further study, but also does not cause excessive burden to students.

2. Give priority to arithmetic content, and properly infiltrate modern mathematical thoughts. This treatment not only meets the needs of the development of modern information society, but also ensures the necessary mathematical foundation.

3. Strengthen the understanding of the meaning of knowledge and put forward the calculation requirements appropriately. Japanese elementary school mathematics attaches great importance to the meaning of concepts such as logarithm, quantity and shape and the understanding of quantitative relations. Through the study of mathematical knowledge, we can apply the thinking method to practice. For the cultivation of computing ability, according to the development of modern society and computing tools, appropriate requirements are put forward, such as reducing the requirements for written calculation, strengthening estimation, and introducing the use of calculators in appropriate grades, which is not only in line with the trend of social development, but also conducive to the physical and mental development of students.