对分数运算及其相关内容的认识和思考——以人教版与北师版教材对比为例

Understanding and Thinking about Fractional Arithmetic and Its Related Contents—Taking the Comparison of Textbooks between PEP and BNUP as an Example

摘要: 分数运算是小学数学“数与代数”部分的重点、难点，也是数的概念的一次重要拓展。本文采用内容分析法和文献研究法，以人教版和北师版教材为例，对分数运算相关内容从多方面进行对比研究，所得结果为今后进一步的教材改革提供一定的理论借鉴。

Abstract: Fractional arithmetic is the key and difficult part of “Number and Algebra” in primary school mathematics, and it is also an important expansion of the concept of number. This paper adopts content analysis method and literature research method, taking textbooks of PEP and BNUP as examples, conducts a comparative study on the content related to fractional arithmetic from many aspects, and the results provide some theoretical reference for further textbook reform in the future.