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教学内容为国标本五年级上册《探寻周期现象规律》。一、创设情境,引入规律教师:同学们请看大屏幕,你看到什么?你想到什么?课件演示:场景一:春、夏、秋、冬四个场景图,依次交替。场景二:红、绿灯依次闪烁。场景三:观察生活中的星期数(多媒体课件演示):日一二三四五六日一二三四五六……生:景色很美;生:好象按一定规律排列;按春、夏、秋、冬依次排列。师:生活中有很多事,都是按一定规律来排列,我们要
Teaching content for the fifth grade of the national standard on the book “to explore the phenomenon of the cycle.” First, the creation of the situation, the introduction of the law Teachers: Students look at the big screen, what do you see? What do you think of? Courseware Presentation: Scene 1: spring, summer, autumn and winter scenes of four scenes, followed by alternating. Scene two: red, green light flashing in turn. Scene three: observe the number of weeks in life (multimedia courseware demo): one two three four five six day one two three four five six six ... Health: the scenery is beautiful; Health: if arranged according to certain laws; by spring and summer Autumn and winter in order. Teacher: There are many things in life, are arranged according to certain rules, we want