1. Pay attention to listening: pay attention to learning efficiency in math class, seek correct learning methods, keep up with learning ideas in class, actively develop thinking prediction, and do a good job in learning basic knowledge and skills;

2. Timely summary: sort out and summarize the stage learning, interweave points, lines and planes into a knowledge network, and incorporate it into your own thinking knowledge system;

3. Pay attention to mathematical concepts: mathematical concepts are numerous and abstract, and the solution usually comes from the concepts themselves. To learn mathematics well, we need to understand its hidden deep meaning and master the expressions of various formulas;

4. Improve spatial imagination: learning solid geometry requires a strong spatial imagination, and self-made model method can effectively improve spatial imagination.