小学数学教学具有它的特殊性。抽象性、概括性和逻辑性让很多学生感到枯燥乏味。心理学表明:“兴趣是人们对事物的选择态度,是积极认识事物或参加某种活动的心理倾向,它是学生积极获取知识形成技能的重要动力。 Primary mathematics teaching has its particularity. Abstraction, generality and logic make many students feel tedious. Psychology shows that: ”Interest is the attitude of people to choose things, is a positive understanding of things or to participate in certain activities of the psychological tendencies, it is an important motivation for students to acquire knowledge to form skills.