I failed in the third grade and got full marks in mathematics in the senior high school entrance examination, and summed up two counter-attack experiences: what principles should I adhere to in class? Descartes, a great mathematician, once said: "Mathematics is the means of professional knowledge and the source of other professional knowledge tools. All research orders and measurement theories are related to mathematics. " For most people, although they have never conducted in-depth scientific research and study on mathematics in their life, they have realized the wonder and difficulty of mathematics in the course of more than ten years' study. Under all well-founded inferences, what is more needed is a strict foundation and an unrestrained and bold attempt to imagine.

As an ordinary student, Ceng Liang felt that he was not a real genius in learning mathematics, but had the experience of falling from the last place to full marks. In the first year of junior high school, Zeng Liang failed in the size exam in the first semester, but in the senior high school entrance examination two years later, Zeng Liang scored 100 in the math exam and successfully entered the key point. In Ceng Liang's view, there are mainly two reversal work experiences, and two standards must be adhered to in class.

The first point: the explanation focuses on three levels.

Under the premise of following the teacher's teaching ideas in class, Zeng Liang felt that it was also important to take notes. However, Zeng Liang suggested that taking notes does not mean that every word the teacher said needs to be recorded, nor will it be recorded only when the teacher prompts it to be the key point, but it needs to be copied selectively, with the focus on three aspects.

The main problems of professional knowledge, emphasis and incomprehension are three important components of a lecture. In Ceng Liang's view, attending class is a process of learning and training, and at the same time, the knowledge system is constructed and arranged. Through these 45 minutes, you can mark some things that you have not learned and must focus on reviewing, which is conducive to repeated study in the next study time. Ceng Liang believes that many people think that teaching means listening carefully. In fact, just listening is not enough. Be sure to think and comb in class. Even if you don't understand, you should focus on the difference and let yourself prepare for the exam purposefully after class.

The second point: it is important to keep up with the teacher's thinking.

Zeng Liang said frankly that I wanted to follow my own rhythm in class before, just like these students who studied very well, and I didn't need to listen to what the teacher said. In fact, it used to be bright, but in fact, for some students with poor foundation, doing so can only make the foundation worse and worse, and it will also cause excessive fracture of the course content.

Class must follow the teacher's introduction, because most teachers will choose to disassemble a knowledge point step by step so that students with weak foundation can understand it, which is undoubtedly one of the very good ways to improve themselves. It is also the key to improve their math scores by following the ideas in class and then sorting out the knowledge points and preparing for the exam.