著名心理学家皮亚杰说:“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。”《数学课程标准》中也指出:有效的数学学习活动不能单纯地依赖模仿与记忆,动手实践、自主探索与合 Piaget, a famous psychologist, said: “Children’s thinking starts from the action, and the connection between action and thinking can be cut off, and thinking can not be developed.” “The Mathematics Curriculum Standard” also states that effective mathematical learning activities can not Simply rely on imitation and memory, hands-on practice, independent exploration and cooperation