In fact, "scum" is just a title. As long as we change our learning attitude, use correct learning methods and study patiently, the foundation may be fine. Generally speaking, 70% of the knowledge difficulty of junior high school mathematics investigation is basic knowledge, so if you can learn the basic knowledge thoroughly, it is no problem to get upper-middle grades in mathematics. In particular, some students with poor mathematical foundation can take more time to recite some basic concepts, formulas and some typical examples on the basis of understanding. If they have a solid foundation, they will naturally solve all kinds of exercises.

Establish a mathematical error correction book. If you make mistakes in your homework or review, set up an error register to reduce repetitive mistakes. You are not afraid of not making a mistake the first time, but you are afraid of making the same mistake next time. Write down error-prone knowledge or reasoning to prevent repetition.

Strive to find wrong mistakes, analyze them, correct them and prevent them. Literacy: We should set a set of wrong questions for the wrong questions in homework, extracurricular exercises and exams.

Gradually, you will find that little by little accumulation will make your study better and better, and will also enhance your confidence in learning.