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日前,笔者有幸代表学校参加盐城市市区学校优质课比赛.比赛采取微课的形式,指定教学内容为“函数的和、差、积、商的导数”的一个片段,时间不超过15分钟.苏教版“函数的和、差、积、商的导数”教材内容只给出了一个引例及函数和、差、积、商的求导法则和两个例题.分析教材后,笔者认为这节课的重点是函数和、差、积、商的求导法则的运用,难点是函数的积的求导法则的推导,因此决定选择“函数的积的求导法则”这一片段参赛.
Recently, I was fortunate enough to represent the school to participate in the Yancheng city school quality class competitions. The competition took the form of micro-class, specify the teaching content for the “function and the difference, product, quotient derivative quot ;, a time not exceeding 15 Minute .Sujiao version ”the sum of function, difference, product, quotient " teaching content only gives a reference and function and, difference, product, quotient guiding principle and two examples.After analyzing the teaching material, The author thinks that the emphasis of this lesson is the use of the derivation rules of functions, difference, product, and quotient. The difficulty is the derivation of the derivation rule of the product of the product. Therefore, it is decided to choose the derivation rule of the product of the function. A piece of competition.