心理学家皮亚杰说:“儿童的思维是从动作开始的,切断动作与思维的联系,思维就不能得到发展。”小学生正处在从具体形象思维向抽象逻辑思维转化阶段,在这一过程中,他们通过实践操作,会促进他们所学的知识内化为脑里的智力活动,继而提高学生的学习技能,提高学生的智力发展。小学数学新课标要求:“有效的数学学习活动不能单纯的依赖模仿与记忆。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……”由此,我们 Piaget psychologist said: “Children’s thinking is from the beginning of the action, cut off the link between action and thinking, thinking can not be developed. ” The pupil is in the concrete image of thinking to the transformation of abstract logical thinking in the In the process, they practice their own actions to promote the internalization of what they have learned into the brain’s intellectual activities, which in turn enhance their learning skills and their intellectual development. Primary school mathematics new curriculum requirements: “Effective mathematics learning activities can not simply rely on imitation and memory. Hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics ... ” Thus, we