2. The teacher himself does not appear in the film, but uses the electronic blackboard system. Its website has developed an exercise system to record learners' complete practice records for each question. With reference to this record, teachers can easily know which concepts learners don't understand.
3. In the traditional school curriculum, in order to keep up with the progress of the whole class, teachers only ask students to cross a certain threshold (such as passing) and continue teaching; But if you use a system similar to Khan Academy, you can try to make students understand every basic concept that will be used in the future, and then continue to teach. Students who have made similar progress can be reorganized into a class.
4. In some schools in the United States, we adopt the teaching mode of not doing homework, not watching Khan Academy movies in class, and doing exercises at school, and then teachers or students who already know teach other students what they don't understand.
Teacher Khan's teaching method is to click pens of different colors on a touch panel, draw and record at the same time, and the computer software will help him record everything he draws, and finally upload the recorded video to the Internet, and everything will be done.
6, his teaching video, there is no excellent picture, also can't see the speaker, just want to guide the audience to think a little.