一、问题的提出在分数概念的教学中,教师要求学生按“分数线———分母———分子”的顺序写分数,认为这种写法符合分数的产生过程,理由被广泛接受,写法被普遍采用。但是,在学习过程中,经常会发现许多学生喜欢用“分母———分数线———分子”的书写顺序,为此,笔者在小学、中 First, the question raised In the teaching of the concept of the score, the teacher asked the students to write scores in the order of “fractional line --- denominator --- numerator”, believing that the writing met the producing process of scores, the reasons were widely accepted and the wording was widely use. However, during the learning process, it is often found that many students like to use “denominator --- fractional line --- numerator” in the order of writing. Therefore, in the primary school,