无论是两千年前孔夫子所言:“独学而无友,则孤陋而寡闻。”还是现在《义务教育数学课程标准》中所指出的:“有效的数学学习活动不能单纯的依赖模仿和记忆,动手实践、自主探索和合作交流是学生学习数学的重要方式。”都说明了合作学习的重要作用和教学意义。在新课改的大背景下,合作学习在课堂教学中被广泛应用,并取得了一定的成效。一、小组合作学习的实际操作过程中普遍存在的一些问题1.小组合作学习的内容和时机不恰当 Whether it was two thousand years ago, Confucius said: “The only child without friends, is lonely and a few words. ” Or now “compulsory education mathematics curriculum standards” pointed out: “Effective mathematics learning activities can not be simple Depends on imitation and memory, hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics. ”All illustrates the important role of cooperative learning and teaching significance. Under the background of new curriculum reform, cooperative learning has been widely used in classroom teaching and has achieved some results. First, the group co-operation in the practical operation of a number of common problems 1. Group co-learning content and the timing is not appropriate