当下的数学新课程标准要求:数学活动必须建立在学生的认识发展水平和已有的知识、经验的基础之上.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动的机会,帮助他们在自主探索和合作交流的过程中真正理解和掌握基本的数学知识与技能、数学思想和方法,获得广泛的数学活动经验.学生是数学学习的主人,教师是组织者、引导者与合作者.对 The current mathematics new curriculum standard requires that mathematics activities must be based on the students’ level of knowledge development and existing knowledge and experience, teachers should stimulate their enthusiasm for learning and provide students with the opportunity to fully engage in mathematical activities to help them In the process of independent exploration and cooperation and exchange, we should truly understand and master the basic knowledge and skills of mathematics, mathematical ideas and methods, and acquire a wide range of experience in mathematics activities.Students are masters of mathematics learning, and teachers are organizers, leaders and collaborators. Correct