School Mathematics (대한수학교육학회지:학교수학)
- Volume 9 Issue 1
- /
- Pages.99-117
- /
- 2007
- /
- 1229-4322(pISSN)
5th Graders' Logical Development through Learning Division with Decimals
5학년 아동의 소수 나눗셈 원리 이해에 관한 연구
Abstract
In this paper it is discussed how children develop their logical reasoning beyond difficulties in the process of making sense of division with decimals in the classroom setting. When we consider the gap between mathematics at elementary and secondary levels, and given the logical nature of mathematics at the latter levels, it can be seen as important that the aspects of children's logical development in the upper grades in elementary school should be clarified. This study focuses on the teaching and learning of division with decimals in a 5th grade classroom, because it is well known to be difficult for children to understand the meaning of division with decimals. It is suggested that children begin to conceive division as the relationship between the equivalent expressions at the hypothetical-deductive level detached from the concrete one, and that children's explanation based on a reversibility of reciprocity are effective in overcoming the difficulties related to division with decimals. It enables children to conceive multiplication and division as a system of operations.
본 연구의 목적은 소수 나눗셈을 도입하는 수업에서 아동들이 소수 나눗셈을 이해하는 과정을 분석하고 소수 나눗셈 학습과 관련한 어려움을 극복하는 과정에서 아동들이 전개하는 논리적 추론의 특징을 분석하는 것이다. 초등학교와 중학교 수학에 어떤 차이점이 있다면 그것은 논리적 추론의 특성에서 찾을 수 있다. 따라서 초등학교 고학년 아동의 논리적 추론의 특성을 탐구할 필요가 있으며 이를 위해 본 연구에서는 초등학교 5학년 아동을 대상으로 (자연수)