1, according to students' existing knowledge level and mathematics learning experience, accurately grasp the relationship between teaching content and students' knowledge.

2. According to the requirements of curriculum standards and students' cognitive characteristics, determine the teaching objectives, teaching priorities and difficulties.

3. Be able to correctly grasp the content of mathematics teaching, reveal the development process and essence of mathematical concepts, laws and conclusions, infiltrate mathematical thinking methods, and embody the sense of application and innovation.

4, can choose appropriate teaching methods and means, reasonable arrangement of teaching process and teaching content, complete the teaching plan design of the selected teaching content within the specified time.