《中小学数学》(小学版)2010年第1、2期合刊上刊登了胡重光老师题为“关于分数教学中的科学性问题”一文,该文颇有独到见解,但也存在一些值得商榷的问题。本文仅就“平均分”问题提出自己的一些意见。胡老师在文中对教师在课堂上经常向学生强调的一句话“一定要是平均分才能用分数表示”进行了批评,并用实例来说明这句话是错的:“EF是△ABC的中位 ”Primary and secondary mathematics“ (primary version) in 2010 first and second issue of a combination of published on the teacher Hu Chunguang entitled ”on the scientific aspects of teaching problems,“ a text, the article quite unique insights, but there Some questions worth discussing. This article only put forward some opinions on the issue of ”average points“. Hu teacher in the text of the teacher in the classroom often stressed to the students a sentence ”must be average points can be expressed in fractional“ criticism and examples to illustrate this sentence is wrong: ”EF is △ ABC Median