美国心理学家奥苏伯尔:“影响学习最重要的原因是学生已经知道了什么,我们应当根据学生原有的知识状况去进行教学。”从心理学的角度看,预习是一种学习的心理准备过程,伴随着预习的过程,学生学习的自主性和创造性能充分调动起来,学生的活动经验和认知储备也将被充分激活出来,学生主动学习、全面发展将有更大的空间。“自由度愈高的学习,身心投入的程度愈高”。预习,在新课程理念下被赋予了新的内涵。数学预习可以提高学生的 Ausubel, American psychologist: “The most important reason for learning is what the students already know, we should teach according to the original knowledge of the students. ” From a psychological point of view, the preview is a Psychological preparation process of learning, along with the pre-learning process, students learn autonomy and creativity fully mobilized, the activities of students experience and cognitive reserves will also be fully activated out, students take the initiative to learn, all-round development will have a greater space. “Higher degree of freedom to learn, the higher the level of physical and mental investment ”. Preview, in the new curriculum concept has been given a new connotation. Mathematical preview can improve students