数学课堂在某种程度上我们可以将它理解为是一个发现问题、提出问题、分析问题、解决问题,甚至还会遗留问题的场所。而问题既是新旧知识之间的一条纽带,也是启发学生思维的一个手段;问题的有效性既是教师有效教学的重要体现,也是学生主动学习的助推器。下面以数学课堂为例,从“关注问题 To some extent, we can understand it as a place to discover, ask, analyze, solve, and even leave a problem. The problem is not only a link between old and new knowledge, but also a means to inspire students ’thinking. The validity of the problem is not only an important manifestation of effective teaching for teachers, but also a booster for students’ active learning. Take the math class below as an example, from ”Focus on the problem