1. Introduction method of reviewing old knowledge and new knowledge

This is a commonly used introduction method, and it can be used in liberal arts and science courses. However, the logic of using science is clearer. For example, what has been learned before, etc. Difference sequence. Now that you are learning geometric sequence, you can use the import method of reviewing the past and learning the new. When using the introduction method of reviewing old knowledge to learn new knowledge, firstly, the teacher needs to review the old knowledge, which is usually led by the teacher. Secondly, there must be responses from the students. Thirdly, the teacher needs to use the connection between the old and new knowledge to introduce new knowledge points. . 2. Scenario introduction method

The scenario introduction method is frequently used in teaching, especially after the new curriculum reform. Because the curriculum requires the use of scenario introduction to comply with the new curriculum reform concept, when we create scenarios, teachers need to Create a scenario based on the content of this class. You can use multimedia to play music, the teacher can tell stories, or you can use current affairs news. There are many ways to choose from, but the content must be related to the class. 3. Experimental introduction method

The experimental introduction method is usually used in the subjects of mathematics, physics, chemistry, and biology in teaching, because experiments are done in these subjects, especially the three subjects of physics, chemistry, and biology. , a lot of experiments. Using the introduction of experiments can quickly attract students' attention and increase students' interest in learning. When we use the experiment introduction method, we must pay attention to the fact that there are no experimental equipment in the interview. At the same time, in this process, students cannot be ignored, whether it is You need to communicate with students both visually and verbally.