1. Publishers and Authors: Choose teaching AIDS written by well-known publishers and experienced authors, which are usually of higher quality and more suitable for students to learn.
2. Comprehensive coverage: select supplementary teaching materials covering all knowledge points of sixth grade mathematics, so that students can review what they have learned comprehensively.
3. Moderate difficulty: Choose the appropriate difficulty according to the actual level of students, which should be challenging and not too difficult.
4. Enrich exercises: Choose a large number of teaching AIDS with typical examples and exercises to help students consolidate their knowledge and improve their problem-solving ability.
5. Clear thinking in solving problems: Choose teaching AIDS with detailed explanations and clear thinking in solving problems to help students understand mathematical concepts and methods.
6. Suitable for self-study: Choose teaching materials suitable for students' self-study, such as supporting video tutorials or online question and answer services.
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8. Good reputation: You can check the evaluation of the teaching materials by other parents and students to understand their actual effects.
In a word, we should consider all kinds of factors comprehensively and try our best to provide students with the most suitable learning resources when choosing teaching materials for sixth grade mathematics teaching.