《义务教育数学课程标准》提出:“要让学生在参与特定的数学活动,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“课标”精神为指导,用活用好教材,进行创造性的教学,让学生经历学习过程,充分体验数学学习,感受成功的喜悦,增强信心,从而达到学会学习的目的。 “Compulsory education mathematics curriculum standards” put forward: “For students to participate in specific mathematical activities, in the specific context of the initial understanding of the characteristics of the object, get some experience. ” Teachers should be “class standard ” as a guide, Make good use of teaching materials, creative teaching, let students experience the learning process, fully experience the mathematics learning, feel the joy of success, enhance confidence, so as to achieve the purpose of learning to learn.