荷兰著名学者费莱登塔尔说:学习数学的唯一正确方法是实行“再创造”。也就是说学生的学习是在教师的引导下,由学生本人有目的地自觉探索,实现自主性发展的实践活动,即“自主学习”。因此,在教学中,要围绕学习的主要内容,采取自主选择、引导参与等方式来提高学生自主学习的意识,激发学 The famous Dutch scholar Fei Leidenal said: The only correct way to learn mathematics is to implement “re-create ”. In other words, under the guidance of teachers, the students’ learning is consciously explored by the students themselves purposefully and realize the practice of autonomous development, that is, “self-study”. Therefore, in teaching, we should focus on the main content of learning, to take the initiative to choose, to guide participation and other ways to improve students’ awareness of self-learning, stimulating learning