五十年代,天津三中有位几何都是,画圆并不总用圆规。解题需要画圆时,往往随手拿起一截粉笔在黑板上一转,便画出一个圆来,要大有大,要小有小,个个都是滚圆滚圆的。画完随手一点,不偏不倚,正是圆心。还有一位地理教师,讲到世界某国或国内某省时,便可用流畅的曲线勾画出该国或该省的简图来,和课本上印的几乎一模一样。三年前,我看过中营小学特级教师杜蕴珍的一堂识字课。杜老师正确的教学思想、灵活的教学方法、高超的教学艺术自不待说,单就指导写字这一环就令人赞叹不已。她既不是挂出课前写好的字样说说了事,也不是随便地在打好的田字格里写写划划,而是一边讲一边用 In fifties, tianjin three in a geometry, drawing a circle does not always use compasses. Solve the problem need to draw a circle, often readily pick up a piece of chalk on the blackboard a turn, they draw a circle, big and big, small and small, all are rounded. Finishing handy, impartial, it is the center. There is also a geography teacher who, when it comes to a country in the world or a certain province in the country, can draw a sketch of the country or province with a smooth curve and almost exactly the same as printed on a textbook. Three years ago, I read a literacy class of Du Yunzhen, a master teacher at Zhongying Primary School. Du teacher correct teaching ideas, flexible teaching methods, superb teaching art Needless to say, the one on the guide to write this ring is amazing. She did not hang out the words written before class, nor is it just writing in the field of character Gerry planning, but talkative