好的课程导入可以调动学生的学习积极性,所以说,设计出好的课程导入,是一节课成功的关键。笔者一直秉承“好课从导入开始”的教学理念,习惯在设计导入环节时反复打磨。2016年,笔者有幸为参加培训的年轻教师上了一节研究课,教学内容是“比例的意义”。在导入环节设计上,笔者曾多次易稿。第一次,仅为出示课题而设计的导入。笔者最初的设想是:利用多媒体出示南昌市沙湖公园一处景色——剑匣亭的照片,并提出 Good introductory courses can arouse students’ enthusiasm for learning. Therefore, designing a good course introduction is the key to the success of a course. I have been adhering to the “good lesson from the beginning ” teaching philosophy, used to repeatedly polished in the design of the import link. In 2016, I was fortunate to have a research class for young teachers participating in the training. The content of the teaching is “the meaning of ratio”. In the design of the import link, I have repeatedly easy to draft. For the first time, it is designed for the presentation of topics only. The author’s initial idea is: the use of multimedia production Nanchang Shahu Park, a scene - sword box Pavilion photos, and put forward