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教学苏教版小学数学四年级上册“认识整万数”一课时,我在课尾设计了一个用数字卡片摆数的游戏,旨通过这个具有挑战性、趣味的游戏,既引导学生掌握整万数的特点,深化他们所学的知识,又为本节课教学预设一个精彩的结尾。然而,在实际教学中,学生的意外生成,却让这个预设更加精彩,让我对课堂预设有了更深刻的认识。案例描述:(师出示9、8、2、0、0五张数字卡片,杂乱无章地贴在黑板上)师:你能用这5个数摆出一个整万数吗?
Teaching Supiao version of elementary school mathematics grade four “Know the whole number of ” class, I designed at the end of the class with a digital card put the number of games, through this challenging and fun game, not only to guide students to master The characteristics of the whole number, deepen their knowledge, but also for the teaching of this lesson a wonderful ending. However, in the actual teaching, the students’ accidental generation made the preset even more wonderful, which made me have a deeper understanding of the classroom presets. Case Description: (The teacher showed 9,8,2,0,0 five digital cards, cluttered on the blackboard) Teacher: Can you put a whole number of these 5 numbers put it?