从直观的“数”走向抽象的“量”——例谈单“1”的渗透

From the Intuitive"number"to the Abstract"quantity"——Exemplary Talk about the Penetration of Single"1"

分数的意义是小学阶段的重难点,也是影响学生分数概念形成的核心。理解分数的意义,重要的是理清整体与部分的相互依存关系,对单位“1”的认识实现从数走向量的转变。

The meaning of scores is the most important and difficult point in the primary school stage,and it is also the core that affects the formation of the concept of student scores.To understand the meaning of scores,it is important to clarify the interdependence between the whole and the part,and to realize the transformation of the unit"1"from counting to vector.