预习是指学生在课前自己学习有关新知识的过程,在新课程的理念下,预习是一种学习的心理准备过程、是一种探究性的学习活动,它能促进学生自主掌握数学知识,培养学生的数学思维,形成相应的数学思想。一、预习——使课堂交流更充分预习是学生个体自主学习的开始,他能将自己能解决的问题在课前解决,在预习的过程中所有的思考过程及相关的疑问便成了课堂上进一步学习的宝贵资源。因此在课堂上进行集体交流便显得很 The pre-study refers to the process of students learning their own new knowledge before class. Under the concept of the new curriculum, pre-learning is a psychological preparation process of learning, an inquiry learning activity, which can promote students to master mathematics knowledge autonomously, Develop students’ mathematical thinking, form the corresponding mathematical thought. First, the preview - to make the classroom more fully Pre-learning is the beginning of individual student learning, he can solve their own problems before class to solve all the thinking process and related questions in the preview process has become a classroom Further learning valuable resources. Therefore, in the classroom for collective communication is very significant