Mathematics is a main course in primary schools, and it is the beginning for students to learn mathematics. Mathematics is an indispensable foundation and tool for learning modern science and technology. With the rapid development of science and technology and the rise of new technological revolution, mathematics plays an increasingly important role in learning and developing science and technology, and its application is becoming more and more extensive. Its contents, ideas and methods have been widely used in various fields of natural science and social science. Mastering certain mathematical knowledge and basic skills has become one of the cultural qualities that Chinese citizens must have to engage in productive labor, study and study science and technology.