Hardware inspection to ensure the sense of class experience.

A prominent problem of live teaching is that it is often blocked. The network speed jam and interruption in the teaching process is an important factor that affects the teaching effect, and even leads to serious teaching accidents.

1. Enter the teaching environment in advance, arrange relevant teaching hours, check the teaching materials and network equipment to be used, open the sharing screen, and conduct simulation teaching in advance.

2. If you find that WiFi is often stuck or disconnected during the teaching process, you should consider upgrading, maintaining and replacing your computer equipment and broadband network in time and moving to a place with better network communication for teaching.

3. During live teaching, other software in the computer should be turned off in advance to prevent the messages of WeChat and qq software logged in during the teaching process from being disturbed. At the same time, the computer should turn on do not disturb mode to prevent webpage advertisements from popping up.

4. Prepare special cameras, headsets and microphones for teaching to avoid noise and echo in the teaching process, and communicate with students in time to ensure that students can hear clear teaching voices.

Grasp the time reasonably and promote the teaching objectives.

Although the class time of online class and offline class is the same, due to the influence of network environment and students' learning situation, there is not much classroom time that can be effectively used. Basically, the effective time of 45 minutes is about 35 minutes. Therefore, online teaching must cut into the key points in time, arrange efficient time on the key points, and adjust the relationship between key points and difficulties.

First of all, teachers can ask students to preview in advance and submit preview homework. In the online classroom, after teachers simply arouse students' enthusiasm, they can cut into the subject and explain the key knowledge as soon as possible, which can not only help students enter the thinking state as soon as possible, but also help to use time efficiently.

For example, if a teacher wants to play a video clip in class, he can edit it in advance to avoid wasting time because of network or software problems. Invite students to speak, design questions in advance before playing the video, inform the students and let them watch the video with questions.

At the same time, in the content layout, try to put thinking questions after class, so as not to occupy valuable online time. Online teaching should adopt radish methods such as answering questions, asking questions and answering questions, so that students can absorb knowledge to the maximum extent.

Keep the reasonable and effective time in class within 35 minutes, and then divide each link into several minutes. The remaining 10 minutes can be reserved for network congestion, courseware failure, difficulty in explanation, etc., and arranged flexibly.