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一、教学实录 (浙江版义务教材六年制小学数学第十一 册121-123页《圆的认识》) 师:(投影出示装修中的餐厅图片)这是 老师家里正在装修的餐厅,它的顶面是正方 形的,边长3米。大家能不能帮老师设计一 个顶面的装修方案? (小组讨论,然后交流) 生1:老师,我觉得餐厅顶面的设计可 以是四周吊顶,中间不吊,中间凹进去的部 分是一个正方形,这样形成凹凸感,看上去 比较美观。 生2:我认为可以设计成四周吊顶,中
First, the teaching record (Zhejiang version of the compulsory education materials six-year primary school mathematics eleventh 121-123 page “round understanding”) Teacher: (Projection shows the renovation of the restaurant picture) This is the teacher's home renovation restaurant, it's The top is square, 3 meters long. Health 1: Teacher, I think the design of the top of the restaurant can be surrounded by suspended ceiling, the middle is not hanging, the middle of the recessed part is a square, This formation of bumpy, looks more beautiful. Health 2: I think it can be designed around the ceiling, in