数学教育学是一门具有高度综合性,实践性很强的理论学科。因此在教学中问题情景的设置起着画龙点睛的作用。情境教学具有一定的代表性,它以优化的情境为空间,根据教材的特点营造、渲染一种富有情境的氛围,让学生的活动有机地注 Mathematics pedagogy is a highly integrated and practical theoretical discipline. Therefore, the setting of the problem scene in teaching plays a role of finishing touch. Situational teaching has a certain representation, it optimizes the situation for the space, according to the characteristics of the textbook to create, render a rich atmosphere of the environment, so that student activities organically Note