《数学课程标准》提出:“要让学生在参与特定的数学活动中、在具体情境中初步认识对象的特征,获得一些体验。”教师要以“课程标准”为指导,活用教材,进行创造性的课堂教学,让学生经历学习的过程,充分体验数学学习,感受成功的喜悦,增强学习信心,从而达到学以致用的目的。 The standard of mathematics curriculum puts forward: “Let students acquire some experiences when they participate in certain mathematical activities and initially understand the characteristics of objects in specific situations. ” Teachers should take “curriculum standard ” as guidance and apply teaching materials , Carry on the creative classroom teaching, let the student go through the learning process, fully experience the mathematics study, feel the joy of success, enhance the study confidence, so as to achieve the purpose of learning to use.