【境界】在教学沙龙活动中,特级教师徐斌谈到了自己追寻理想数学课堂的三个阶段,也就是他经历的数学教育生活的三层境界。第一层境界:精雕细琢,完美无缺。1987～1993年,他教1～6年级数学。为了使课堂完美无缺,每一堂课他都认真审视,不断修改,使每一环节紧紧相扣、层层深 【Realm】 In the teaching salon activity, Xu Bin, a super-class teacher, talks about the three stages in his pursuit of the ideal math class, that is, the three-level realm in which he experiences math education. The first level: crafted, perfect. From 1987 to 1993, he taught maths of grades 1-6. In order to make the classroom perfect, every lesson he carefully examined and constantly revised, so that each link closely linked, layers of deep