教育家陶行知说过:“人有两个宝,双手和大脑。”动手、动脑是培养学生创新能力的有效方法,小学生的思维处于具体运算阶段,还不具备完全依靠推理等抽象的方法获取知识的能力,对于低年级数学教学而言,在教学活动中有必要让学生参与活动、动手操作,把学习的主权交给学生, Tao Xingzhi, an educator, said: “People have two treasures, hands and brain.” Hands-on exercises are effective ways to cultivate students’ innovative abilities. The thinking of primary school students is in specific computing stages and abstraction does not have to rely entirely on reasoning Method of access to knowledge for the ability of junior mathematics teaching, teaching activities in the need for students to participate in activities, hands-on operation, the sovereignty of learning to students,