“情境串教学”是指教师在教学中有目的、有计划、有层次地精心设计,根据学生的年龄特点和认知水平,用文字、语言、图片、动画、视频等形式把学生引入一个与问题有关的情境中,并且要贯穿课堂教学的始终。贯穿课堂教学始终的教学情境既要带有强烈的情绪色彩,唤醒学生的情感;又要带有严谨的价值判断性,蕴含丰富的数学知识。这样,才能让学生真正从情境中得到学习的动力和源 “Situationstring teaching ” refers to teachers in teaching purpose, plan, carefully designed level, according to the characteristics of the age and cognitive level of students, with text, language, pictures, animation, video, etc. to introduce students A problem-related situation, and should be used throughout the classroom. Throughout the teaching of the classroom teaching situation always with a strong emotional color, to arouse the feelings of students; but also with a rigorous value judgments, contains a wealth of mathematical knowledge. In this way, students can really get the motivation and source of learning from the situation