一、故事激趣初步感知师:同学们,你们可能都听过“乌鸦喝水”“曹冲称象”这样的智力故事。同学们有没有听过“田忌赛马”的故事呢?生:(齐)听过。师:那我们就来一起回顾一下。这次希望你们从数学的角度认真听这个有趣的故事。课件播放视频,学生全神贯注地听故事。师:听完故事,你觉得这个故事有趣吗?说说理由。生:有趣。一开始齐威王和田忌赛 First, the story interesting initial perception Teacher: Classmates, you may have heard “Raven drink ” “Cao Chong said ” such intelligence story. Students have not heard of “Tian Ji horse racing” story? Health: (Qi) heard. Teacher: Then let’s review together. I hope you will listen carefully to this interesting story from a mathematical point of view. Courseware play video, students listen attentively to the story. Teacher: After listening to the story, do you think this story is interesting? Health: Interesting. Qiwei Wang Hetian at the beginning of the game