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片断一:创设情境,目标导入 师:喜欢看球赛吗?(喜欢)看球赛有什么感觉?(刺激、有悬念、很精彩) 师:老师要想组织一场球赛,你希望举行一场哪种球赛?(争先恐后) 生1:我希望是足球赛。 生2:我希望是篮球赛。 生3:我希望是排球赛。 师:同学们有的喜欢足球,有的喜欢篮球,有的喜欢排球……有什么方法可以知道喜欢各种球赛的分别有多少人呢? 生1:让喜欢篮球的站在教室外,让喜欢排球、足球的站在
Piece one: create the situation, the goal of import division: like to watch the game? (Like) watch the game feel? (Stimulation, suspense, very exciting) Teacher: Teacher want to organize a game, you want to hold a Ball game? (Scramble) Health 1: I hope it is a football match. Health 2: I hope it is a basketball game. Health 3: I hope it is a volleyball game. Teacher: Some students like football, and some like basketball, and some like volleyball ... ... What method can know how many different kinds of ball games are there? Health 1: Let basketball stand like outside, so like Volleyball, soccer stands