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教学纪实一天下午,教者走进课堂就问学生:“同学们,你们有没有带一把剪刀和两只蛋壳来?”学生们都一齐举起小手。教者说:“好!我们今天就用蛋壳来做桥墩。”随后教者揭示了一幅类似蛋壳的桥墩图,并让同学们细细观察。接着板书了写话题目——蛋壳桥墩。教者问:“我们怎样利用蛋壳来做桥墩呢?”学生纷纷举手发言:“我们要把蛋壳做成和真的桥墩一样。”“我们要把蛋壳剪开。”“我们要把蛋壳剪得和真的桥墩一模一样。”教者:“同学们都说得对。那么怎样剪蛋壳呢?”
Teaching one day afternoon, the teacher asked the students into the classroom: “classmates, did you bring a pair of scissors and two eggshell?” The students all raised their little hands together. The teacher said: “Well, we use eggshell to make piers today.” Later, the teacher revealed a pie chart of the eggshell and gave the students a careful observation. Then write a blackboard topic - eggshell piers. The teacher asked, “How do we use the shell as a bridge pier?” The students all raised their hands and said: “We want to make the shell just like a real pier.” “Let's cut the shell.” “We want Cut the eggshell exactly the same as the piers. ”Teacher:“ The students are right, so how to cut the shell? ”