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“烙饼”问题是人教版小学数学四年级上册数学广角的一个教学内容,教材上问题情境图有三段话:“1.每次只能烙两张饼,两面都要烙,每面3分钟。2.爸爸、妈妈和我每人一张。3.怎样才能尽快吃上饼。”教材中这个教学内容的设置无疑是要让学生获得基本活动经验,进而选择最优方案;但除了获得基本活动经验、优化思想外是不是能让学生获得更多的发展呢?现结合我校老师执教的“烙饼问题”公开课谈一些看法。
“Pancake ” problem is the PEP mathematics fourth grade mathematics wide angle of a teaching content, textbooks on the problem situation diagram has three passages: “1 can only burn two cakes at a time, both sides should be branded, each Face 3 minutes .2, father, mother and I each one .3 how to eat bread as soon as possible. ”Teaching material in this teaching content setting is undoubtedly for students to get the basic activities of experience, and then choose the best solution; However, in addition to gaining experience of basic activities and optimizing ideas, can students get more development? Some opinions are now openly discussed in connection with the teaching of “pancake problems” taught by our teachers.