1. Make a detailed teaching plan: Before the class starts, make a detailed teaching plan, including teaching objectives, teaching contents, teaching methods and evaluation methods. This helps to improve the organization and pertinence of the classroom and make the teaching process more efficient.

2. Establish a positive teacher-student interaction mechanism: teacher-student interaction is an important part of classroom teaching, which helps to improve students' learning interest and initiative. Teachers can establish a benign interaction mechanism with students by asking questions, discussing and analyzing cases, and encourage students to express their views and thinking.

3. Adopt diversified teaching methods: In the teaching process, we need to adopt a variety of teaching methods, including lectures, demonstrations, demonstrations, discussions and exercises, to meet the different needs and learning styles of students. Diversified teaching methods help to stimulate students' interest and enthusiasm in learning and improve classroom efficiency and quality.

4. Create a good teaching atmosphere: In classroom teaching, we should create a positive, harmonious and pleasant teaching atmosphere so that students can study and explore happily. Teachers can enhance students' self-confidence and interest in learning through relaxed and humorous language, encouragement and praise.

5. Provide effective feedback and evaluation: In classroom teaching, we should provide effective feedback and evaluation in time to help students understand their learning progress. Teachers can make a comprehensive and accurate evaluation of students' learning through individual counseling, homework correction and exam scoring.

6. Using modern educational technology: Modern educational technology can improve the efficiency and quality of classroom teaching, such as using multimedia teaching, online teaching and educational games. , make the teaching content more vivid and interesting, and enhance students' interest and participation in learning.

7. Make a reasonable teaching plan: Teachers can make detailed teaching plans, including teaching objectives, teaching contents, teaching methods and evaluation methods.

8. Encourage students to participate actively: Teachers can encourage students to participate actively through questions, discussions and group activities, thus improving students' interest and initiative in learning.

9. Give appropriate positive feedback: Teachers need to give students appropriate positive feedback in time to encourage students to continue their efforts.

10, providing personalized guidance: teachers can provide personalized guidance and counseling according to the different characteristics and needs of students to help students overcome difficulties and improve their academic performance.

1 1. Carefully design evaluation methods: Teachers can design a variety of evaluation methods, such as homework, exams, group projects, etc. Help students fully understand their own learning and progress, and promote their self-awareness and development.

12. Continuously improve teaching effect: Teachers need to continuously improve teaching effect, collect students' feedback, adjust and improve teaching methods and contents in time, and improve teaching effect and quality.

To build an efficient classroom, teachers need to make full preparations, make reasonable plans, encourage students to actively participate, give appropriate positive feedback, provide personalized guidance, use modern educational technology, carefully design evaluation methods, and continuously improve teaching effects.