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【案例】特级教师吴正宪老师“相遇问题”片段师:上课前,老师想请一个同学先到讲台前来溜达溜达,有人愿意吗?生:我愿意。师:是个大胆的孩子!(生在讲台前来回走了两圈)师:你们想给他提一个数学问题吗?生1:我想问他走了几分钟。师:这是一个关于什么的数学问题?
[Case] Teacher Wu Zhengxian super teacher “encounter problems ” fragment teacher: Before class, the teacher would like to ask a classmate to go to the podium before stroll, some people are willing to? Health: I am willing. Teacher: A daring child! (Two weeks before she left the podium) Teacher: Do you want to ask him a math question? Student 1: I want to ask him a few minutes walk. Teacher: This is a math problem about what?