1. Familiar with competition rules and test questions: Understand the specific requirements and rules of the competition, including test time, test questions and scores. You can get this information by consulting relevant materials or consulting your teacher.

2. Review the basic knowledge: Mathematical contests usually involve deep mathematical knowledge, so it is necessary to systematically review the basic knowledge of mathematics. This includes mathematical formulas, theorems, concepts, etc.

3. Brush exercises: Through a lot of brush exercises, you can improve your problem-solving ability and speed. You can choose some classic math contest topics to practice, or you can do some mock exams to test your level.

4. Learn problem-solving skills: There are often some special problem-solving skills and methods in math competitions, such as reverse thinking, induction and construction. Learning and mastering these skills will help to improve the efficiency and accuracy of solving problems.

5. Cultivate logical thinking ability: Mathematics competition focuses on examining students' logical thinking ability, so it needs some logical thinking training. You can cultivate your logical thinking ability by solving some logical reasoning problems or playing some puzzle games.

6. Be mentally prepared: You may face some pressure and competition when you participate in the math contest, so you need to be mentally prepared. Keep a positive attitude, believe in your ability, and don't be too anxious and nervous.

In a word, taking part in the math contest needs to systematically review the basic knowledge, do a lot of brush exercises, learn problem-solving skills, cultivate logical thinking ability and be mentally prepared. Through full preparation and hard work, you can improve your performance in the math contest.