传统初中数学走的是“教师讲学生练,一切为了考试”的单调式教学模式,因教师问题的单向性而导致了学生问题意识的匮乏。在新课改下,以发现问题、提出问题、分析问题和解决问题为过程的问题能力培养被提上了议程。“情境—问题—讨论—反思”式教学正是要关注知识的发生和形成过程,注重对学生创新意识和问题能力培养的新型教学模式。 Traditional junior middle school mathematics takes the monotonous teaching model of “teachers talk about student practice and everything for examination”, which leads to the lack of students ’problem consciousness due to the unidirectional nature of teachers’ problems. In the new curriculum reform, to identify problems, ask questions, analyze problems and solve problems as the process of capacity-building is put on the agenda. “Situation - Problems - Discussion - Reflection ” style teaching is to pay attention to the occurrence and formation of knowledge process, pay attention to the students’ innovative awareness and problem ability training new teaching model.