If parents are most worried about their children's learning, if you want to make a selection, the first place is mathematics, there is really no one. As a person who has come before, I would like to say that the big devil of mathematics is actually a paper tiger. If you can adjust the way you study and set the pace of studying, then you will be able to succeed in the exam. 
In order to get an excellent math score in the high school entrance examination, you only need to step firmly on these three steps, and you will be able to cope with it easily. First of all, you have to be able to take a shot ahead of time and learn independently. In middle school, as long as you are able to learn independently one step ahead, then your learning efficiency in the classroom and after school can be greatly improved. You don't need to brush up on too many questions to be able to handle the exam with ease. But if you don't study on your own in advance, then even if you brush up on more questions after class, your grades will not improve. Because if you don't study on your own in advance, you will be like an outsider in a middle school math class, unable to really understand the content of the class. If you continue like this, your grades will not be improved. Therefore, it is very important to take a shot of self-directed learning in advance. Of course, independent learning in advance is not a simple preview, but requires you to go deep into the essence of knowledge, so that you know what it is and why it is so. You can't look at science like math or physics like you read texts or stories, it's as pointless. In fact, this point keeps the vast majority of students out of the door of success. 
Secondly, for children's learning, we also need to pay attention to thinking stretching. Although many children have a solid foundation, they are often helpless to solve some slightly distorted topics. This is not because they do not have mastered the knowledge points, but because they lack the ability to relate and extend the application of these knowledge points.
In order to improve this ability, we need to help children through small, incremental, interlocking deliberate practice. This kind of practice is not simply to do the problem, but to guide the children to think deeply about the problem, summarize the rules and methods of solving the problem. At the same time, we also need to carry out special training, focusing on the children's weak links to carry out targeted exercises, to help them better grasp and apply the knowledge points. Through this training, children will not only be able to better cope with various types of questions, but also improve their thinking skills and problem-solving skills. Therefore, thinking stretching is an indispensable part of children's learning, and it is also an important way to improve the learning effect.
The last and most important step on the path of mathematics learning is to have a skillful and solid basic skills in computing. This is often overlooked by many students, who always think that mathematical ability is equivalent to mastering the routines and tricks of solving difficult problems. However, this is a serious misunderstanding. In fact, although some people think that math requires talent, I will tell you that this is an absolute fallacy. The improvement of mathematical ability must be the result of hard work. Proficiency and solid basic skills in numeracy are the foundation of mathematics learning, which covers a variety of numeracy skills and computing abilities. Whether it is algebra, geometry or probability and statistics, we need to have a solid basic skills in calculation. It's like building a house, without a solid foundation, even the most ornate building will crumble. Therefore, we cannot ignore the importance of the basic work of calculation. In order to improve the basic skills of computing, we need to continue to practice and consolidate in our daily learning. This includes not only basic addition, subtraction, multiplication, and division, but also more complex operations and techniques. Only through continuous practice can we master various calculation techniques and improve the speed and accuracy of calculations. 
To sum up, the improvement of mathematical ability requires us to pay attention to self-directed learning, the cultivation of basic computing skills and the exercise of mathematical thinking. Only in this way can we go further and further on the road of mathematics, achieve better results and broader development prospects. 