预习,作为课堂教学前一种学习个体独立自主的探索性学习活动。它不仅仅是让学生做好了学习的心理准备,更为重要的是让学生在自主探究过程中,获得重要的数学知识,以及基本的数学思考方法和必要的应用技能培养初步的创新精神和实践能力。 Preview, as a classroom learning before learning an independent learning activities of the exploratory learning. It is not only psychological preparation for students to learn, but more importantly, to enable students to acquire important mathematical knowledge and basic mathematical thinking methods and necessary application skills during the process of independent inquiry to cultivate the initial innovation and Practical ability.