一、问题的提出《数学课程标准》指出:“有效的数学学习活动不能单纯地依赖模仿与记忆,动手实践、自主探索、合作交流是学习数学的重要方法.”有效的数学探究活动必须通过有效的教学方式和学习方式来实现.因此,教师、学生及数学课堂都必须进行角色转换:教师是探究活动的组织者、引导者和合作者,学生在探究活动中要真正成为数学学习 First, the issue put forward “Mathematical Curriculum Standards” pointed out: “Effective mathematics learning activities can not simply rely on imitation and memory, hands-on practice, independent exploration, cooperation and exchange is an important method to learn mathematics.” Effective mathematical exploration activities must Through effective teaching methods and learning methods.Therefore, teachers, students and math classroom must be the role of conversion: teachers are the organizers of inquiry activities, guides and collaborators, students in the inquiry activities to truly become mathematics learning