《数学课程标准(2011年版)》指出:“认真听讲、积极思考、动手实践、自主探索、合作交流等,都是学习数学的重要方式。”可见,培养学生动手操作能力是适应新时代的需要,是培养学生数学能力的一种重要手段,也是提高学生学习数学兴趣的一种有效的方法。由于受传统教育观念的影响和习惯的束缚,一些教师对动手操作在认识上还存在着偏差。课堂教学中主要表现在:操作 “Mathematical Curriculum Standards (2011 Edition)” pointed out: “Listen carefully, positive thinking, hands-on practice, independent exploration, cooperation and exchange, are important ways to learn mathematics. ” It can be seen that training students ability is to adapt to a new era Is an important means of training students 'mathematical abilities and an effective way to improve students' interest in math. Due to the influence of traditional educational concepts and habits, some teachers still have deviations in understanding of hands-on operation. Classroom teaching is mainly manifested in: operation