一、利用学具，创设情境，提供创新机会瑞士著名心理学家皮亚杰认为：７—１２岁儿童处于具体运算阶段，这一阶段的儿童思维还离不开具体事物的支持，只能把逻辑的运算应用于具体的或观察所及的事物，而不能把逻辑运算扩展到抽象概念中。为此应努力使数学教学生活化，尽可能地? First, the use of learning tools to create context and provide innovative opportunities Piaget, a famous Swiss psychologist that: 7-12-year-old children in the specific computing phase, this stage of children's thinking is inseparable from the support of specific things, only to Logical operations should be applied to specific or observed things, not logical operations can be extended to abstract concepts. To this end should make every effort to make mathematics teaching living as much as possible.