问题是思维的导火线,也是思维碰撞的点火石,教师在教学过程中经常采取问题的形式来激发学生对问题的思考,从而服务于教学行为的开展,服务于教学目标的达成.而问题呈现的形式、内容、提问的对象和方式,等等都会决定问题的效果达成,也决定着学生在学习中的兴趣和后续发展.数学是人们对客观世界定性把握和定量刻画、逐渐抽象概括、形成方法和理论,并进行广泛应用的过程.初中阶段的数学学习,必须考虑学生已有的数学基本技能和知识基础,还要考 The problem is the fuse of thinking and the ignorant of the collision of thinking. Teachers often take the form of questions in the teaching process to stimulate students’ thinking on the questions so as to serve the teaching activities and serve the achievement of teaching objectives. Form, content, objects and ways of questioning and so on, will decide the effect of the problem to be reached and determine the interest and follow-up development of students in learning.Mathematics is the qualitative and quantitative definition of the objective world, gradually abstract and summarize and form a method And theory, and a wide range of application process.Mathematical learning in junior high school, we must consider the students have the basic mathematical skills and knowledge base, but also test