For example, the content teaching of power function.

First of all, teachers should assign specific tasks and be persuasive. For example, f (x) = 65438+0/2 power of x, and f (x) = 65438+0/3 power of x.

Second, they can draw their own coordinate system.

Three, front, back, left and right four people in a group, using the method of drawing points and connecting lines.

Fourth, discuss how the scale is bigger and how the scale is closer.

5. What is the range of independent variables?

What is the range of function values?

7. What are the characteristics and personalities of the two curves?

Eight, and then use x? ，x？ Compare the images and see what the connection is.

Nine, according to the time, a classmate can also stand up and make a summary.

……

(The above topics can be written on the blackboard, which is convenient for exploration. You can also summarize the performance of the teacher's courseware. )

It is important to note that you should never treat math class as a political class! As long as the teaching task is well completed, even if it is pure lecture and irrigation, it is also an ideal and successful math class!