美国教育心理学家奥苏伯尔说:“假如让我把全部教育心理学原理归结为一条原理的话,我将一言以蔽之,影响学生的唯一最重要的因素,就是学习者已经知道了什么,要探明这一点,并据此进行教学。”数学课程标准指出:数学教学活动必须建立在学生认知发展水平和已有的知识经验基础上,学生的数学学习活动是在教师组织、引导下的自我建 Ausubel, an American educational psychologist, said: “If I put all the principles of educational psychology down to one principle, I will put it in a nutshell. The only important factor affecting students is that learners already know What should be proven, and teaching accordingly. ”Mathematical curriculum standards that: mathematics teaching activities must be based on the level of cognitive development of students and existing knowledge based on the experience of students in mathematics learning activities in the teacher Organized and guided by self-construction