著名教育心理学家奥苏伯尔在其名著《教育心理学——认知观点》的扉页上写道:“假如让我把全部教育心理学仅仅归结为一条原理的话,那么,我将一言以蔽之曰:影响学习的惟一最重要的因素,就是学习者已经知道了什么.要探明这一点,并应据此进行教学.”学生已有的知识、经验、能力是学习的基础.学生认知现状、思维成果是开展教学活动的出发点.笔者在三个数列问题教学中,基于学生、发展学生,帮助学生完善思维,引领学生从现有认知水平发展到更高 Ausubel, a famous educational psychologist, writes on the front page of his famous book “Educational Psychology - Cognitive Perspectives:” If I put all educational psychology down to just one principle, then I will To put it bluntly: the only important factor affecting learning is what the learners already know to prove it, and should be based on teaching. "Students have the knowledge, experience and ability to learn Based on the cognitive status of students, thinking is the starting point for teaching activities.The author in the three series of questions teaching, based on students, developing students, to help students improve their thinking, leading students from the existing cognitive level to a higher