“问题导学”课堂教学模式指根据教学内容及要求以问题解决为中心,通过问题的发现、分析和解决等步骤去掌握概念规律知识、培养学生问题意识和问题能力的一种教学模式.通过学生对问题的探索和交流,澄清模糊认识,正确建立概念和理解概念规律,让学生在问题解决中体会到学习的快乐和成功的有效教学模式.下面以高中数学“指数函数”的概念教学为例,谈谈在数学教学中如何使用“问题导学”教学模式. “Problem-based teaching ” classroom teaching model refers to a teaching mode that grasps the knowledge of the law of rules and rules and cultivates students’ problem awareness and problem ability based on the teaching content and requirements, with the problem-solving as the center, through the steps of discovering, analyzing and solving the problems Through the students to explore and exchange of questions, to clarify the fuzzy understanding, the correct establishment of the concept and understanding of the concept of law, so that students experience in learning to solve the problem of the joy and success of effective teaching model below high school mathematics “exponential function The concept of teaching as an example, talk about how to use in mathematics teaching ”problem-based teaching " teaching mode.