“分数的意义”是学生系统学习分数的起始课,也是分数教学中的重点内容。教学时教师要引导学生在直观感知的基础上,抽象概括出分数概念。由于分数概念具有高度的抽象性和概括性,而学生的抽象概括能力还相对薄弱,因而在由 “The meaning of the scores” is the starting point of the students' system learning scores and also the key content in the fractional teaching. Teachers should guide students in teaching based on intuitive perception, abstraction to abstract the concept of scores. Because of the high degree of abstraction and generalization of fractional concepts, and the abstraction ability of students is relatively weak,