First of all, pick up the textbook again and return to basic learning. Mathematics is a discipline that attaches great importance to the basics, because every knowledge point and formula are step by step. At this time, leaving any knowledge point behind will lead to students falling behind in their studies, and it is naturally difficult to get up. So when they encounter difficulties in mathematics, they should learn to return to textbooks, go through the basics, find out their own shortcomings, and then lay a solid foundation for their mathematics.
Secondly, it is very complicated to memorize mathematical formulas skillfully. Many formulas are similar, so students often make mistakes when using them. If the formulas are wrong, the whole question is wrong. Therefore, it is very important to memorize the formula skillfully, ensure its correct rate and improve your grades. Formulas play a very important role in mathematics, and every problem can't be separated from the use of formulas, so we must pay attention to it.
Finally, constantly brush the questions, and then summarize the practice of error correction. Why do schools often let students take exams is to let students constantly see all kinds of questions. If they do more questions, they will naturally become skilled and can constantly discover students' personal defects. At this time, a targeted summary of learning can greatly improve learning efficiency, and it is natural for students to get a good grade.
What I want to warn you here is that math and other subjects are good. If you want to improve your grades quickly, the foundation is the most important, and then don't give up on yourself. It is very simple to understand these two points and improve your grades with good learning methods.