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苏教版小学数学三年级的“求平均数”教学片段及反思:教学片段回放:师:还有几分钟就上课了,老师听说我们班的同学见多识广,我有一个问题想请大家解决一下,敢不敢接受挑战呢?生:异口同声地回答:敢!师:其实很简单,有谁知道或见过:船舶是怎样通过船闸的呢?生1:就是让船先进闸洞,再让船出来就可以了。生2:老师,我见过,没有他说得那么简单。师:噢!你看到吗?说说不简单在哪儿呢?生2:首先要关闭下闸门,再打开上闸门,让水流进来,等一、再现生活情景,感知规律科学建模。
Supibiao elementary school mathematics third grade “average” teaching fragments and reflection: teaching fragment playback: Teacher: There are a few minutes to class, the teacher heard that our class knowledgeable, I have a problem Teacher: In fact, very simple, who knows or have seen: how the ship through the lock? Health 1: that is, let the ship advanced gate Hole, let the boat out on it. Health 2: Teacher, I have seen, without him that simple. Teacher: Oh! Do you see it? Not easy to talk about where you live 2: First of all, we must close the gate, and then open the gate, let the water flow in, and so on, reproduce the life scenarios, perception of scientific modeling.