著名的心理学家布鲁纳说过:“学习的最好刺激乃是对所学教材的兴趣”。数学教材本是枯燥无味,教师必须善于将抽象内容具体化、形象化,将枯燥内容生活化、有趣化,激发学生的求知兴趣,加深对所学知识的理解。我们教师要密切联系学生生活实际,从学生熟悉的生活情景和感兴趣的事物出发,为他们提供 Bruner, a famous psychologist, said: “The best stimulus for learning is the interest in teaching materials.” This textbook is boring. Teachers must be good at materializing and visualizing abstract contents. They should turn living and interesting boring contents into excitement and stimulate students’ interest in seeking knowledge and deepen their understanding of what they have learned. Our teachers should keep close contact with the students’ actual life, provide them with familiar scenes and interesting things from the students