心理学研究表明,学生的思维总是由问题开始的,并在解决问题中得到发展。问题之中有情境,情境之中有问题,其核心是问题,问题是数学的心脏。在数学教学中,应用创设问题情境的方法,是一种以学生为主体的教学方法。问题情境设计得好,能激发学生的学习兴趣与热情,调动学生积极思考,激发学生的探究欲望, Psychological research shows that students’ thinking always starts with the problem and develops in solving the problem. There are situations among the problems, there are problems among the situations, and the core is the problem. The problem is the heart of mathematics. In mathematics teaching, applying the method of creating problem situations is a kind of student-centered teaching method. Well-designed problem situations can stimulate students’ interest in learning and enthusiasm, arouse students’ positive thinking, stimulate students’ desire for inquiry,