新课程标准作为一种全面提高学生的基本素质为根本目的教育,让学生参与教学是课程实施的核心,强调数学教学要以人的发展为本,要求教师尽量地把教学过程设计成一个有利于学生主动参与的数学活动,通过结合学生的实际情况,构建以学生为中心、以学生自主活动为基础的新型教学过程,来引导学生积极参与教学的全过程. The new curriculum standard as an overall improvement of the basic quality of students as the fundamental purpose of education, allowing students to participate in teaching is the core of the implementation of the curriculum, emphasizing the teaching of mathematics should be based on human development, requiring teachers to try their best to design a teaching process is conducive to Students take the initiative to participate in the mathematics activities, by combining the actual situation of students, to build a new student-centered, student-based activities of the new teaching process to guide students to actively participate in the whole process of teaching.