新的课程标准提出:有效的数学学习活动不能单纯地依靠模仿与记忆,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.可见当今的数学课堂教学应注重学生的自主性和团体协作精神,而合作学习正是培养学生自主参与意识和合作精神的一种有效的学习方式.1 数学课堂教学中合作学习的外延界定与基本要求合作学习是一种富有创意和实效的教学理论与策略.它旨在促进学生在异质小组中互助合作、达成 The new curriculum standard proposes that effective mathematics learning activities can not rely solely on imitation and memory, hands-on practice, independent exploration and cooperation and exchange are important ways for students to learn mathematics, showing that today’s mathematics classroom teaching should focus on students’ autonomy and teamwork Spirit, and cooperative learning is to cultivate students’ sense of participation and cooperation in an effective way of learning.1 The extension and definition of cooperative learning in mathematics classroom teaching Cooperative learning is a creative and effective teaching theory and strategy It is designed to promote students’ cooperation and cooperation in heterogeneous groups