1. Find out the weak points: First, find out where your weak points are, algebra, geometry or other knowledge points. It can be determined by doing exercises or looking for a teacher's evaluation.
2. Make a study plan: Make a detailed study plan according to the weak points. Divide your math knowledge into small pieces, concentrate on learning a small piece every day or week, and gradually improve your math level.
3. Do more questions: Mathematics is a subject that needs practice, and you can improve your problem-solving ability through a lot of practice. You can choose some problem sets or online resources suitable for your own level to practice.
4. Ask for help: If you are in trouble, don't be afraid to ask for help. You can ask a teacher, take a remedial class or find a classmate to study with. Discussing problems with others can help you better understand and master math knowledge.
5. Multi-angle learning: Mathematics is an abstract subject, which can be learned in many ways. We can deepen our understanding of mathematics by reading textbooks, watching teaching videos and participating in math competitions.
6. Cultivate interest: Mathematics is a subject that requires patience and perseverance. Cultivating interest in mathematics can help you study better. You can cultivate your interest by solving interesting math problems and joining math clubs.
In short, making up for the weak foundation of junior high school mathematics requires unremitting efforts and correct learning methods. By finding out the weak points, making study plans, doing more problems, seeking help, learning from multiple angles and cultivating interest, you can gradually improve your mathematics level.