通常情况下,我们的教学研讨更多关注的是教学的内容及学生的学情,而我认为,我们在关注学生和教材知识点的同时,也要潜心钻研教材,这样才能智慧驾驭教学。我国著名数学教育家张奠宙先生提出:数学有三种形态,即原始形态、学术形态、教育形态,并多次强调:教师的根本任务在于把数学的学术形态转化为教育形态。但是作为日常教学蓝本的教材 Often, our teaching seminars focus more on the content of teaching and the learning of students. In my opinion, we pay close attention to the knowledge of students and teaching materials as well as devote ourselves to teaching so that we can harness the wisdom of teaching. Zhang Dian-chou, a well-known maths educator in our country, put forward that mathematics has three kinds of forms: primitive form, academic form and educational form. It emphasizes many times that the fundamental task of teachers is to transform the academic form of mathematics into the educational form. But as a textbook for everyday teaching