I recommend that you use textbooks to help explain in detail, and there are many cartoons, charts and maps to help explain, which are very intuitive and easy to understand. Moreover, all the knowledge points and questions in the textbook are explained in detail, and each book also has a summary of mathematical models. It's really a very practical tutorial. I think if you read the textbook well and do it well, your grades will definitely improve a lot.

The knowledge points are explained in detail, and there are cartoons.

Each book summarizes mathematical models and error-prone points.

There are also map explanation and inquiry teaching materials in the middle school exam questions.