《全日制义务教育数学课程标准》(实验稿)的基本理念4指出“:教师应帮助学生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”。清楚地表明数学教学必须以探究合作交流作为重要形式。因此,教师不仅是学习的组织者,更 The basic concept 4 of the “Full-time Compulsory Education Mathematics Curriculum Standards” (experimental draft) 4 points out: “Teachers should help students to truly understand and master basic mathematical knowledge and skills, mathematical thinking and methods in the process of independent exploration and cooperation and exchange.” Extensive experience in math activities." Clearly shows that mathematics teaching must take the exploration of cooperation and communication as an important form. Therefore, teachers are not only the organizers of learning, but also