西方学者德加默曾提出这样一个观点:“提问得好即教得好”。这种看法不无道理。确实,课堂提问是教学的核心,是数学启发式教学的一种主要形式,也是教师常用的教学手段。经过教师精心设计、恰到好处的课堂提问,能有效地激发学生的好奇心和想象力,燃起学生对知识的探究热情,从而极大地提升课堂教学质量。一、情境导入中的铺垫式提问,紧扣学生的兴趣点建构主义认为,学习总是与一定的社会背景即“情境”相 Western scholar Degammer has put forward such a view: “good question that is to teach well ”. This view is not unreasonable. Indeed, the classroom questioning is the core of teaching, is a major form of mathematical heuristic teaching, but also a common teaching tool for teachers. After carefully designed by teachers, just right classroom questions, can effectively stimulate the curiosity and imagination of students, ignite the enthusiasm of students to explore knowledge, which greatly enhance the quality of classroom teaching. First, the context into the bedding questions, closely linked to the interests of students Constructivism point of view, learning always with a certain social context that “situation ” phase