在新课标中把动手操作、自主探究与合作交流当作学生学习数学的重要方式,可往往在数学教学过程中,大部分的老师只是因为教材中需要学生动手,而象征性的让学生进行操作,忽略了它本身的意图,动手操作的目的是更好地促进学生对数学的理解,能用数学的语言、符号进行表达和交流,教师掌握好学生的动手实践能力,不仅能促进学生进行独立思考和自主探究能力,更能让学生之间自主产生合作交流,促进学生的合作能力。因此,数 In the new curriculum standard to hands-on operation, self-exploration and cooperation and exchange as an important way for students to learn mathematics, mathematics teaching often in the process, most of the teachers simply because the textbooks need students to practice, and symbolically allow students to Operation, ignoring its own intention, the purpose of hands-on operation is to better promote students’ understanding of mathematics, mathematical language, symbols can be used to communicate and communicate, teachers master the practical ability of students not only to promote students Independent thinking and self-exploration capabilities, but also allow students to have independent cooperation and exchange between students and promote cooperation. So, number