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片断回放:《平均分》课件出示:小猴分4根香蕉,分给小松鼠1根,分给小狗3根。师“:你觉得小猴这样分好吗?为什么?”生:“这样分不公平。”师“:如果是你,你会怎样分?”生“:各分两个,因为这样分比较公平。”接着,教师出示了6个苹果。师:“请大家把这些苹果分成几份,看看有几种分法,每份有几个。每个人分一分。”学生活动,自由分苹果,有的分成的是等份,有的分成的是
Piece playback: “average” courseware shows: monkey divided into 4 bananas, divided into 1 small squirrel, divided into 3 puppies. Teacher: “Do you think the monkey points so well? Why? ” Health: “This is not fair. ” Teacher “: If you are, how would you divide? Because this is more fair. ”Then, the teacher showed six apples. Teacher: “Please divide the apples into several parts and see if there are several points, each with a few points.” Each student is assigned a point. "Students are free to divide their apples and some are divided into equal parts. Some are divided