《义务教育数学课程标准》强调:“有效的数学学习活动,不能单纯地依赖模仿,动手实践、自主探索与合作交流是学生学习数学的重要方式。”而学生学习方式的转变是本次课程改革的显著特点,让学生自主探索已是当前课堂的经典模式,有利于培养学 “Compulsory education mathematics curriculum standards” emphasizes: “Effective mathematical learning activities, can not simply rely on imitation, hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics.” "The change of student learning style is this The salient features of the curriculum reform, allowing students to explore their own has been the classic model of the current classroom, is conducive to the cultivation of learning