最近,我在参加教科院组织的周六研究课时,听了一节课,课题是《小桥流水人家———方向与位置》(小学数学二年级上册青岛版),在评课的过程中,老师们就学生设计的学校平面图发生了争议。课是这样上的,开始,老师和同学们先熟识了“面向哪方,前面是哪,后面是哪,左面是哪,右面是哪。 Recently, when I attended the SAT research class organized by the Chinese Academy of Sciences, I listened to a lesson titled “Orientation and Position of a Small Bridge” (Elementary School Grade Two in Qingdao) , The teachers were controversial about the student-designed school floor plan. Lesson is the beginning, the teacher and classmates first familiar with "for which side, where is the front, where is the back, which is the left, where is the right.