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心理学家皮亚杰认为:“6岁—12岁的小学生心理发展的重要特点是对新鲜的具体事物感兴趣,善于记忆具体的事实,而不善于记忆抽象的内容。”数学是一门抽象性、逻辑性很强的学科,而小学生的思维正处于由具体形象思维向抽象逻辑思维过渡的阶段,动手操作活动正是数学知识的抽象性和学生思维的形象性之间架起的一座“桥梁”。俗话说:“眼过干遍,不如手过一遍”。让学生在课堂上动手操作是一个手、脑并用的过程,是解决数学知识抽象性与小学生思维形
Piaget psychologist said: “6 -12-year-old primary features of psychological development of students is interested in fresh specific things, good at remembering specific facts, but not good at memory abstract content.” “Mathematics is a Door abstract, highly logical discipline, and primary school students thinking is in the concrete image of thinking to the logical transition to the stage of abstract logic, hands-on activities is the abstract knowledge of mathematical knowledge and the image of a student’s mind set up between a ”bridge“. As the saying goes: ”Dry eyes, it is better to hand over again." Let students in the classroom hands-on operation is a hand, brain and process, is to solve the mathematical knowledge of abstract and primary thinking