笔者在教学中发现,苏教版九(上)第四章第三节第四课时只有一个例题,内容较简单,但与实际联系较紧.教师在教学中往往将例题展示出后,根据等量关系列出方程求解,然后举例就结束这堂课,结果学生在一个星期后都忘了.这种“一听就懂,一过就忘”的现象让许多教师很困惑,究竟是什么原因使学生掌握不住如此简单的内容?通过参加“活力——探究”型课改研究,笔者认为,教学过程中设计问题链具有十分重要的作用.任何课堂教学都是要达到一定的目标,学生的学习是指向目标的学习,学生的活动是指向目标的活动,是从模糊的思维 The author found in the teaching, Sujiao version nine (on) Chapter IV, Section III, the fourth class only one case, the content is simple, but the actual link is tight. Teachers often teaching examples will be displayed after, according to The quantity relations list the equations, and then give an example to end the class, and as a result the students forget after a week. “This phenomenon of” knowing one word and forgetting once “makes many teachers confused, what exactly is What makes the students can not grasp such a simple content? By participating in the ”vitality - inquiry" type of curriculum reform, the author believes that the process of teaching design problem chain has a very important role in any classroom teaching is to achieve certain The goal of student learning is to point to the goal of learning, student activity is the goal of the activity is from the fuzzy thinking