《新课标》中指出:义务教育阶段的数学课程,其基本出发点是促进学生全面、持续、和谐地发展。数学教学是数学活动的教学,是师生之间、学生之间交往互动与共同发展的过程。有效的数学学习活动不能单纯地依赖模仿与记忆,教师应激发学生的学习积极性,向学生提供充分从事数学活 The “New Curriculum Standards” pointed out: Compulsory education phase of mathematics curriculum, the basic starting point is to promote a comprehensive, sustained and harmonious development of students. Mathematics teaching is the teaching of mathematics activities, is the interaction between teachers and students, students interaction and common development process. Effective mathematical learning activities can not simply rely on imitation and memory, teachers should stimulate students’ enthusiasm for learning, to provide students with full mathematical activity