在数学教育逐步由“应试教育”向“素质教育”转化的过程中,摆在我们面前的一项紧迫而又艰巨的任务是:更新观念、开拓创新,全面提高教学质量.新课改下的数学教学活动是活动化的教学,而主体参与则是活动化教学的前提.因此更新教学理念、优化教学过程、培养学生的自学能力、思维能力,对于落实新课改精神,促进学生主体发展,全面提高教学质量具有十分重要的意义. In the process of mathematics education being gradually transformed from “exam-oriented education ” to “quality education ”, an urgent and arduous task facing us is to update concepts, innovate and improve teaching quality comprehensively. The mathematics teaching activities under the curriculum reform are activity teaching, while the main body participation is the premise of activity teaching.Therefore, updating the teaching idea, optimizing the teaching process, cultivating students’ self-learning ability and thinking ability, The development of student subject and overall improvement of teaching quality are of great significance.