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周三是我校数学组的教研日,一位教师执教了苏教版五年级下册“分数的基本性质”一课。教学片断:创设情境:孙悟空把一块饼平均分成3份,取其中的1份给八戒,八戒嫌少。孙悟空只好把这块饼平均分成6份,取其中的2份给八戒,八戒仍然嫌少。孙悟空第三次把这块饼平均分成9份,取其中的3份给八戒,八戒满意地笑了。师:八戒赚到便宜了吗?生:没有。师:请大家在3个圆纸片上涂色,看看有什么发现。(课
Wednesday is a teaching and research day in our school mathematics group. A teacher coached the fifth grade of the Sujiao Version under the basic character of the score. Teaching pieces: create a situation: Monkey Wukong an average of three pie, take one of them to the Jurisprudence, eight too few. Sun Wukong had to split the cake average of 6, whichever is the 2 to the Jurisprudence, Jurisprudence is still too little. For the third time, the Monkey King divided the cake into 9 portions on average, taking 3 of them to the Jurisprudence. Teacher: Bajie earn cheap yet? Health: no. Teacher: Please paint on the three round pieces of paper to see if anything is found. (class