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2014年10月,临安市举行了数学教师课堂教学比武活动,我作为评委之一有幸参与了锦城区的评比工作。其中有四位教师选择了二年级上册的“有序排列”这一教学内容。对教学内容的数学实质不同的理解和把握产生了不同的教学过程和教学效果,引发了我很多思考。片段:情景导入,(前部分省略)出示中国地图:师:相邻的两个省份用不同的颜色来表示很容易区分,使人一眼就能看出。(图略)师:我们学校也有东、西两个校区,请你用红、黄两种颜色来
In October 2014, Lin’an City held a mathematics teacher classroom teaching contest. As one of the judges, I was fortunate to participate in the evaluation of Jincheng District. Four of them selected the second grade of “orderly arrangement” of the teaching content. The different comprehension and grasping of the mathematical essence of the teaching content have led to different teaching processes and teaching effects, which aroused much thinking of me. Fragment: Scene Import, (part of the former omitted) Show China Map: Division: The two adjacent provinces in different colors to that very easy to distinguish, one can see. (Figure omitted) Division: We also have the school east and west two campuses, please use red and yellow colors