“认识图形(一)”教学实录与评析

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1.创设情境。学生以小组形式围坐,中间放着学习资料。教师:同学们,大家看看盒子里有些什么东西?大家先认识认识。(分别介绍名字:长方体,正方体,圆柱,球,圆锥,其它)大家最喜欢搭积木了,现在就请同学们当小工程师,合作将盒子里的物体像搭积木一样摆成城堡或楼房或者其它东西,注意要摆放得稳固一点,不要一碰就倒塌了,看哪个组摆得最好。一边说一边演示,等会儿,我们要把你的桌子摇一摇,我们先看看谁做得稳当。规定时间是8分钟。 Create a situation Students sit in groups, with learning materials in the middle. Teacher: Classmates, everyone look at what is in the box? We first know each other. Everyone likes to take a building block, and now they are invited to work as a small engineer and collaborate to put the objects in the box like a building block into a castle or building or other Things, pay attention to be placed firmly, do not touch it collapsed, to see which group put the best. While we are talking about the presentation, we’ll shake your table for a while, and let’s see who is doing it. The specified time is 8 minutes.
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