(1) teaching method. Teaching method is a teaching method in which teachers use L: 3 head language combined with appropriate blackboard writing to explain conclusions or demonstrate mathematical concepts, calculation rules and knowledge rules to students.

(2) Discussion method. Discussion teaching method refers to the teaching method that under the guidance of teachers, students take the whole class or group as a unit, focus on the central issues, and further improve and deepen their understanding, evaluation or judgment of the issues through mutual exchanges and discussions among students, so as to complete the established teaching tasks.

(3) Self-study counseling method. The method of self-study counseling was put forward by Professor Lu Zhongheng from Institute of Psychology, Chinese Academy of Sciences on the basis of summarizing the procedural teaching method. It is a teaching method that students acquire knowledge and skills and develop their abilities through self-study under the guidance of teachers. The leading idea of this teaching method is to highlight the bilateral activities between teachers and students in the teaching process and improve students' self-study ability.

(4) Discovery method. Discovery teaching method, also called problem teaching method, is a teaching method first advocated by Bruner, a famous American psychologist, in the 1950s, which allows students to discover problems themselves and acquire knowledge on their own initiative.

(5) Talking methods. Teachers ask questions by asking questions and talking to inspire students to think positively and let students acquire new knowledge by themselves. This teaching method is called conversation.