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笔者参加了市小学数学学科带头人课堂教学评比活动,听了多节参加评比的老师的《积的变化规律》的课,也参与了其中一堂课的磨课活动。在这个过程中,无意间看到1995年4月刊登在《湖南教育》时任江苏南京实验国际学校校长、特级教师盛大启的一节《积的变化规律》的课例。自然而然地就把2013年的课和1995年的课进行了对比,发现了很多有意义的地方。在这里要说明的是1995年、2013年的课,都是在当时社会背景下产生的,都是在当时课程理念的指导下的,没有要比出孰优孰劣的意思。而且盛大启老师在当时是特级教师,课例还刊登在省级刊物《湖南教育》上,所以盛大启老师的《积的变化规律》的课
The author participated in the city primary school mathematics leader in classroom teaching evaluation activities, listening to more than participate in the evaluation of the teacher’s “plot of the law of change,” the class also participated in one of the lessons class activities. In this process, I accidentally saw a lesson from the section entitled “The Law of Product Variation” published by Shengda Qi, the principal and super-teacher of Nanjing Experimental International School in Nanjing, which was published in April 1995 in Hunan Education. Naturally, we compared the course of 2013 with the course of 1995 and discovered a lot of points of interest. What we are going to show here is that the classes in 1995 and 2013 all came into being under the social background of that time. They all came under the guidance of the current curriculum concept and did not mean anything better or worse. Moreover, Grand Master Kai was a super teacher at that time and his class was also published in the provincial publication Hunan Education. Therefore, Master Sheng’s teacher’s “Law of Product Variation”