“课前预习”是提高学生学习效率的关键,它能让学生提前尝试新学的知识,即尝新。尝新,可以让学生感受踮起脚尖的高度,让学生带着问题、带着自己的思想进入数学课堂。培养学生数学课前预习的习惯,也是在新课改下构建“学生主动学习课堂”教学模式的先决条件。一、激发兴趣,乐于预习兴趣是学生最好的老师,要使学生有高效的学习方法,科学的学习态度,就要从学生的兴趣出发。预习这项学习活动也不例外,它是一种个体的、自觉 “Pre-class preview ” is to improve the efficiency of learning the key to students, it allows students to try new knowledge in advance, that taste new. Taste new, students can feel the tiptoe height, so that students with problems, with their own thoughts into the math classroom. It is also a precondition to construct the teaching mode of “Active Learning Classroom” under the new curriculum reform. First, to stimulate interest, willing to preview Interest is the best teacher, to make students have efficient learning methods, scientific learning attitude, we must start from the students’ interests. This learning activity is no exception, it is an individual, consciously