素质教育的深入实施与新课程改革的强力推进,要求广大教师在数学教学中尽可能地为学生的动手操作提供更多更有利的机会。如此,不仅能加强学生记忆操作对象的效果,获得丰富多样的感性认识,同时能从中得到独有的体悟,而且学生自主的动手实践使得各种教学信息及时得以反馈,教师也可相应地对症下药, In-depth implementation of quality education and the new curriculum reform to promote the strong, requiring teachers in mathematics teaching as much as possible for the students to provide more hands-on opportunities more favorable. In this way, students can not only strengthen the effect of the object of memory operation, get rich and varied perceptual knowledge, at the same time can get unique understanding, and students’ hands-on practice makes all kinds of teaching information timely feedback, teachers can correspondingly remedy,