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How to learn math and science well? The mid-term exam is coming. What should I do?
First, we should pay attention to the review of mathematical concepts. Concepts are the basis of mathematics, and reviewing concepts requires not only knowing why, but also knowing why. Mathematics in the senior high school entrance examination involves many knowledge points. Many students only pay attention to memory and ignore the understanding of their background. For each knowledge point, we must know how it came from and where it was used on the basis of remembering the content. Only in this way can we make better use of it to solve problems.

Second, we should pay attention to the lectures in class and summarize them in time after class. Review class should closely follow the teacher's thinking, actively explore thinking, predict the next steps, and listen to the class with hands, mouth, eyes, ears and heart. After class, you should finish your homework carefully and independently, and be diligent in thinking. After class, you should summarize and sort out your own papers and exercises in time. For some error-prone topics, you can prepare a set of wrong questions, write your own problem-solving ideas and correct problem-solving processes, and compare them to find out your own mistakes so as to correct them in time.

Third, we should do more problems properly, develop good problem-solving habits and improve problem-solving ability. If you want to be good at math, it is inevitable to do more problems. At the beginning, we should start with the basic problems, lay a good foundation repeatedly, and then find some improved problems to help broaden our thinking, improve our ability to analyze and solve problems, and master the general rules of solving problems. At ordinary times, we should summarize the basic problem-solving ideas of various common problems, such as graphic movement, graphic transformation, inductive exploration, classified discussion and so on. Understand, be familiar with and master the characteristics, laws and basic problem-solving ideas of these questions, practice a certain number of questions, and then summarize and train them to improve their problem-solving ability.

Fourth, you need to master some skills during the exam. When the test papers are handed out, we must first look at the amount of questions and allocate time. If you haven't found a way to solve the problem, you can put it aside for the time being, finish what you want to do, and think it over later. For answers with several questions, you can use the conclusions of the previous questions when answering the following questions. Even if the previous question is not answered, you can use it as long as the source of this condition is clear. In addition, be calm during the exam. If you encounter a problem that you can't do, you might as well use the psychology of self-consolation to calm your mind and give full play to your best level. Of course, comfort is comfort. For those problems that can't be done at once, we should still think hard and do what we can. There are certain steps.

Finally, I want to say that correct learning attitude and scientific learning methods are the two cornerstones of learning mathematics well in middle school. The formation of these two cornerstones can not be separated from the usual mathematics learning practice. I hope everyone will take action from now on, make full use of time and write a beautiful stroke for their senior high school entrance examination!