论文部分内容阅读
【教学内容】人教版小学数学第六册第71~74页。【教学过程】一、操作感受,认识面积含义1.感受物体表面的大小。师:如果老师请你把黑板面和课桌面擦干净,擦哪个用的时间短一些?为什么?生:擦课桌面用的时间会短些,因为课桌面比黑板面小。师:每个物体都有自己的面,有的物体的面大,有的物体的面小,哪些物体的面大一些,哪些物体的面小一些?我们来感受一下好吗?请同学们摸一摸数学书封面、文具盒面、课桌
【Teaching content】 PEP 6 primary school mathematics books on the first 71 ~ 74 pages. Teaching process First, the operating experience, understanding the meaning of the area 1. Feel the size of the surface of the object. Teacher: If the teacher asked you to wipe the blackboard surface and class desk, wipe the use of shorter time? Why? Health: wipe the desktop with less time, because the class desktop smaller than the blackboard. Teacher: Each object has its own face, some objects are large, some objects are small, which objects are larger, which objects are smaller? Let’s feel good? Touch the math book cover, stationery box surface, desks