1. Supporting teaching materials: Choose teaching AIDS that match the teaching materials used in schools, so that they can be better combined with classroom teaching content and help students consolidate and expand their knowledge.
2. Difficulty: According to your own mathematics level and learning ability, choose the teaching AIDS suitable for your own difficulty. If you have a good foundation in mathematics, you can choose more difficult supplementary books to challenge your ability; If the foundation of mathematics is weak, you can choose teaching AIDS with moderate difficulty and gradually improve your level.
3. Question coverage: When choosing teaching AIDS, we should pay attention to the coverage of questions, including multiple-choice questions, fill-in-the-blank questions and answer questions. This can comprehensively train students' problem-solving ability and test-taking skills.
4. Practice quantity and quality: The practice quantity of teaching AIDS should be moderate, neither too much nor too little. At the same time, we should pay attention to the quality of exercises and choose exercises with strong pertinence and depth to help students improve their problem-solving ability.
5. Detailed analysis: the analysis of teaching AIDS should be detailed and clear, which can help students understand the ideas and methods of solving problems. At the same time, it should be targeted and analyze and explain common mistakes and confusing points.
6. Auxiliary functions: Some teaching AIDS also provide some auxiliary functions, such as wrong problem books, notes sorting, etc. These functions can help students review and summarize knowledge better.
Finally, teachers, classmates or parents can be consulted when choosing teaching AIDS, and they can give some suggestions according to their own experience and understanding. At the same time, you can also compare the contents and characteristics of several counseling books and choose the one that suits you best.