概念是思维的基本单位,常在后续数学学习中起固着点的作用。有些教师为了凸显概念的重要性,花尽心思创设情境,让学生去经历、体验、感受。不禁使笔者心生困惑:是不是所有的数学概念的学习都要让学生经历、感受、体验?在阅读“1吨有多重”和“认识除法”的两则关于概念教学案例后,笔者感觉体验没有达到预期的效果, Concept is the basic unit of thinking, often in the follow-up mathematical learning plays a fixed role. Some teachers in order to highlight the importance of the concept, make every effort to create situations, so that students go to experience, experience and feelings. Can not help but make the author confused heart: is not all the mathematical concepts of learning should allow students to experience, feel, experience? After reading the “one ton of multiple” and “understanding division” of the two cases on the concept of teaching , I feel the experience did not achieve the desired effect,