美国教育家彼得·克莱恩说:“学习的三大要素是接触、综合分析、实际参与。”数学学习与生活实践的“链接与交互”,使封闭的书本知识积累的过程转变为开放的、活生生的与社会生活紧密相联的自我发展过程,让学生感受到数学来源于生活,生活中处处有数学。我们老师应尽可能从学生 Peter Klein, an American educator, said: “The three major elements of learning are contact, comprehensive analysis, and actual participation.” The “link and interaction” between mathematical learning and life practice transforms the process of closed book knowledge accumulation into an open, Living and social life closely linked to the process of self-development, so that students feel that mathematics comes from life, life is full of mathematics. Our teacher should be as far as possible from the students