《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。”所谓体验,就是个体主动亲历或虚拟地亲历某件事并获得相应的认知和情感的直接经验的活动。教师要以“课标”为指导,用活用好教材,进行创造性地教,让学生经历学习过程,充分体验数学学 The standard of mathematics curriculum puts forward: “Let students acquire some experience when participating in specific mathematical activities and initially understanding the characteristics of objects in specific situations. ” The so-called experience is that an individual personally or personally experiences something Obtain direct experience of the corresponding cognitive and emotional activity. Teachers should “class standard ” as a guide, with good use of teaching materials, creative teaching, so that students go through the learning process, fully experience mathematics