“你知道吗?”是人教版义务教育新课程标准实验教科书《数学》的一个内容,这个内容丰富多彩,涉及了数学史料、数学家的故事、数学趣闻、自然科学、环境保护等多方面的知识,可以有效地拓宽学生的知识面,感受数学的无限魅力。然而,不少老师认为这个内容可有可无,不是考试的内容,在教学中或简单地让学生看一看,或熟视无睹地“放”过去,白白地流失了这一教学资源。怎么办?我认为教师在处理教材中的 “Do you know? ” Is a part of the PEP teaching textbook “Mathematics”, a rich and colorful textbook that covers mathematical history, mathematician’s stories, anecdotes, natural sciences, environmental protection, etc. Many aspects of knowledge, can effectively broaden the students’ knowledge, feel the infinite charm of mathematics. However, many teachers think this content is optional. It is not the content of the exam. In teaching or simply letting students take a look, or turning a blind eye to the past, the teaching resource has been lost in vain. What to do? I think teachers are dealing with teaching materials