First of all. Familiar with teaching materials. You must understand this concept clearly.

Secondly, you should have a thorough understanding of the key points and difficulties of each chapter.

Best of all, you should know all kinds of questions. And know the methods and skills to solve problems. There are also some mathematical ideas, such as the combination of numbers and shapes.

Of course, you must have a good mind to be a good tutor.

In the process of teaching, we can also make some analogies to make abstract concepts more concrete and teaching more vivid.