1, extensive knowledge, friendly teaching attitude, good interaction with students, and just right heuristic and discussion style. The teaching focus is prominent and the classroom capacity is appropriate. Courseware making is effective, which helps students to study better.

2. Teachers are well prepared before class, the teaching arrangement capacity is appropriate, the objectives are clear, and the key points and difficulties are prominent; Clear teaching, focusing on inspiring students and guiding them to think positively; The teacher did a good job, and the process of summarizing and summarizing feedback was in place in time.

3. The teaching mode is friendly, the pronunciation is clear, the level of explanation is strong, the reasoning is correct, the key points can be highlighted, the classroom is rigorous, the thinking of solving problems is clear, the teaching methods are properly used, the goal setting is accurate, the content arrangement is reasonable, and the ideological education content is in place. The structure is complete and the time allocation is reasonable.

4. The teaching design is reasonable and scientific. Emphasis and difficulty in teaching are outstanding, and modern educational technology is used appropriately and skillfully. Pay full attention to students' knowledge and ability and cultivate students' good study habits. The atmosphere of teacher-student interaction is good, and students can actively answer questions under the inspiration of teachers.

5. The teaching focuses and difficulties are prominent, the operation demonstration is correct and standardized, and the classroom capacity and density are appropriate, which conforms to the law of understanding and development. It can effectively create the situation of students' autonomy, cooperation and inquiry, attach importance to students' experience of the process, inspire them appropriately, ask questions to help students think, practice fully and have appropriate homework.

6, the teaching content is difficult and appropriate, from shallow to deep. Pay attention to guiding students to think, but there are few bilateral activities between teachers and students, and the classroom atmosphere is not active enough. The blackboard writing is neat and orderly, with thorough analysis and just the right tips. But we should emphasize the relativity of double angles.