The following aspects:
1) You should at least find out these six books and see what's in them first.
2) Choose a few topics at random, make your own lesson plans and practice.
3) Analyze and summarize several ideas of high school mathematics and how to explain them.
Role nature
The role of teachers is not only to impart some textbook knowledge to students, but also to adopt specific teaching methods in a specific environment and promote students' growth through specific channels according to their development reality and educational goals and requirements. The role of a teacher is a complicated professional role. It takes a complicated and long-term learning process for a person to grow into this role.
The essence of teacher's role lies in helping students grow up; In other words, a teacher is a person who promotes the growth of students.