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NTIS 바로가기Journal of the Korean Society of Mathematical Education. Series C : Education of primary school mathematics, v.23 no.2, 2020년, pp.87 - 116
The purpose of this study is to explore how units-coordination ability is related to understanding fraction concepts. For this purpose, a teaching experiment was conducted with one fourth grade student, Eunseo for four months(2019.3. ~ 2019.6.). We analyzed in details how Eunseo's units-coordinating...
핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
분수 개념이란? | 분수 개념이란 인지 주체가 분수를 수학적으로 어떻게 이해하고 있는지에 대한 정신적 표상 (re-presentation)이다. 부분-전체 개념은 우리나라 및 여러 나라 교과서의 분수 도입 상황에서 가장 기초적인 분수 이해의 출발점이다(이대현, 2018). | |
진분수를 이해하는데 매우 유용한 것은? | 진분수를 이해하는 데 부분-전체 개념은 매우 유용하다. 그러나 예를 들어 가분수를 부분-전체 개념으로 이해할 때 ‘4개 중의 5개’는 말이 되지 않는 상황이므로 이후 새롭게 도입되는 다른 분수 개념으로 조정해야 한다. | |
부분-전체 개념은 무엇인가? | 부분-전체 개념은 우리나라 및 여러 나라 교과서의 분수 도입 상황에서 가장 기초적인 분수 이해의 출발점이다(이대현, 2018). 이 개념은 어떤 대상을 전체로 간주하고 동일한 크기를 가지는 부분으로 등분할하는 상황에서 전체에 대한 부분인 ‘m 개 중의 n개’ 구조로 분수를 이해하는 것이다. 학생의 분수 개념이 계속 성숙해 가더라도 부분-전체 개념은항상 분수 개념의 한 부분으로 남아 있다는 점에서 중요한 기저이다(Hackenberg, Norton, & Wright, 2019). |
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