2. When preparing lessons, pay attention to the lessons of underachievers and let them master the basic knowledge in textbooks.
3. Pay attention to classroom discipline, and ask everyone to listen attentively, not to talk, not to make small moves, and not to desert.
4. In classroom teaching, pay attention to students' feedback on knowledge in the classroom, strengthen patrol, ask more questions, encourage underachievers, and let them learn successfully with interest, confidence, satisfaction. In classroom practice, it is necessary to inspect the knowledge of underachievers and praise or correct them in time.
5. Revise the underachievers' homework face to face after class, teach students easy-to-understand learning methods, and let them establish their self-confidence and sense of success in learning. Strengthen individual counseling, in addition to paying more attention in class, find more time to fill in the gaps in your difficult knowledge after class, strengthen the cultivation of computing ability, and improve the accuracy of your calculations.