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【教学内容】苏教版三年级上册第87~88页。【教学过程】一、前测学习,唤醒经历师:课前,同学们做了前测学习单,大家看。(出示学习单)师:(选第1题第2幅图)很多同学认为阴影部分不能用12表示,谁来说说想法?生:那条线不在中间,两边不一样多。师:你的意思是两边要完全一样,也就是说要将这个圆怎么分?生:平均分。(教师板书:平均分)师:有同学认为“是指一
【Teaching content】 Sujiao version of the third grade on the 87 ~ 88 pages. [Teaching process] a pre-test learning, wake-up experience division: before class, the students did a pre-test learning single, we see. (Show the study sheet) Teacher: (Select the first two pictures) A lot of students think that the shadow can not be used 12 that, who said that idea? Health: That line is not in the middle, not as much on both sides. Teacher: You mean exactly the same on both sides, that is to say how to divide this circle? Health: average. (Teacher’s Book: Average) Teacher: Some students think ”refers to one