近年来,随着新课改的不断深化,让学生在现实情境和已有知识、经验的基础上学习和理解数学,成为新课程标准所倡导的教学模式.“思维总是从提出问题开始的.”问题是课堂教学的灵魂,是学生学习的核心.一个好的问题可以很轻易地激发学生的学习兴趣,促进学生智力的发展和个性 In recent years, with the continuous deepening of new curriculum reforms, students are allowed to learn and understand mathematics on the basis of real situations and existing knowledge and experience. This has become the teaching mode advocated by the new curriculum standards. “Thinking always starts with asking questions. The .”problem is the soul of classroom teaching and is the core of student learning. A good question can easily inspire students’ interest in learning and promote their intellectual development and personality.