Training of mathematical thinking ability. Now all the entrance exams have olympiad numbers. Thinking is a process, which should be completed through language. Therefore, to improve students' mathematical thinking ability, we must first train their mathematical language expression ability. What do you think of a topic? Tell your own thinking process correctly and methodically. In computing teaching, students are taught to think in a programmed and directional way, that is, where to start, what to think next and what to think again.

In the teaching of practical problems, it is necessary to cultivate students' thinking order, that is, how to analyze the quantitative relationship, find out the known conditions and unknown problems in the problem, establish the relationship between them, and use the known conditions to solve the unknown problems.