“分式”是浙教版《数学》七年级下册的内容。潘建德老师执教的“分式”(第一课时)获得浙江省初中数学课堂教学评比第一名。笔者有幸观摩了该课,它不仅教学设计独具匠心,理念先进,整个课堂气氛活跃,跌荡起伏,处处洋溢着在情景中巧探究、在合作中共生成的新课程理念 “Fractional ” is the content of Zhejiang Education Edition “Mathematics” under the seventh grade. Pan Jiande teacher coaching “fractional ” (the first class hours) won the Zhejiang province junior high school mathematics classroom teaching evaluation first place. I had the honor to observe the lesson, which not only unique in teaching design, advanced concepts, the entire classroom atmosphere is active, unrestrained ups and downs, everywhere filled with Qiao exploration in the scenario, co-generated by the Communist Party of China’s new curriculum philosophy