“让学生在生动具体的情境中学习数学”是新课标的一个重要理念。新教材最大的特点和优点之一就是许多知识的引入和问题的提出、解决都是在一定的情境中展开的。因此,精心创设情境是提高教学有效性的一项重要教学策略。这一学期,我校的高效课堂建设红红火火,各学科都在上一阶段课堂改革展示课的基础上,进 “Let students learn mathematics in a vivid and specific context ” is an important concept of the new curriculum. One of the biggest features and advantages of the new textbook is the introduction of many kinds of knowledge and the formulation of the problems, all of which are carried out in certain situations. Therefore, careful creation of context is an important teaching strategy to improve the effectiveness of teaching. This semester, the efficient classroom construction of our school is booming, all subjects are in the previous stage of classroom reform and demonstration on the basis of