在《新课程标准》中倡导自主探索,合作交流,实践创新数学学习方式,强调从学生的生活经验和已有的生活背景出发,为学生提供充足的进行数学活动和数学交流的机会,促使他们在自主探索的过程中真正理解和掌握基本的数学知识技能、数学思想和方法,同时能获得广泛的数学经验。同时数学的一个重要特点就是它具有抽象性。而一年级学生的思维特点是以具体形 In the “New Curriculum Standards” advocate independent exploration, cooperation and exchange, practice and innovation of mathematical learning, emphasizing from the students life experience and existing background of life, to provide students with adequate mathematical activities and mathematical exchange opportunities, prompting them In the process of independent exploration, we should really understand and master the basic mathematical knowledge and skills, mathematical ideas and methods, as well as a wide range of mathematical experience. At the same time an important feature of mathematics is that it is abstract. The first-year students’ thinking is characterized by concrete shape