《数学课程标准》中提出“大力倡导‘动手实践、自主探索、合作交流’的学习方式”。作为数学新课程倡导的学习方式之一的合作学习,是要通过营造宽松、和谐、自由的学习环境,使每一位学生的自主性得以充分发挥,个性得以张扬的学习方式,并强调“在教学目标上,注重教学的情意功能,追求教学在认知、情感和技能目标上的均衡达成”。小组合作学习已越来越被更多的教师所重视,并在课堂教学中开始广泛 “Mathematical Curriculum Standards” put forward “vigorously promote 'hands-on practice, self-exploration, cooperation and exchange' way of learning . Cooperative learning, one of the learning methods advocated by the new mathematics curriculum, aims at giving every student full autonomy and individuality to publicity by creating a relaxed, harmonious and free learning environment and emphasizes that ” In teaching objectives, pay attention to the emotional function of teaching, the pursuit of teaching in the cognitive, emotional and skill goals reached equilibrium. Group cooperative learning has been more and more valued by more teachers and began to be widely used in classroom teaching