[논문]초등학생의 각 개념 형성에 나타난 수학적 은유

김상미

doi:10.7468/mathedu.2023.62.1.79

초등학생의 각 개념 형성에 나타난 수학적 은유
Elementary school students' metaphors of angle concepts 원문보기

Journal of the Korean Society of Mathematical Education. Series A. The Mathematical Education, v.62 no.1, 2023년, pp.79 - 93

김상미 (춘천교육대학교)

초록
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이 연구는 초등학생이 각의 다면성을 어떻게 형성하고 학년이 올라가면서 초등학생의 각 개념은 어떻게 변화하는가를 은유 분석하였다. 초등학교 각 개념 학습 요소인 각, 직각, 예각, 둔각에 대하여, 이 용어를 생각하면 떠오르는 것을 낱말로 표현하고 그 근거를 서술하도록 하였다. 각과 직각은 3학년 1학기에 학습하므로 3~6학년 총 268명의 응답을 분석 대상으로 하였고, 예각과 둔각은 4학년 1학기에 학습하므로, 4~6학년 총 192명의 응답을 분석 대상으로 설정하였다. '은유적 표현'과 그 '근거'를 짝지어 은유적 표현을 정리하고, 기하적 도형이라는 질적 측면, 측정 및 회전량이라는 양적 측면, 점과 선의 구성 요소와의 관계적 측면에서 코드화하였다. 은유적 표현을 범주화한 결과, 질적 측면에서 <사물의 은유>, <인간형의 은유>, <감정의 은유> 범주 등, 양적 측면에서 <움직임의 은유>, <변화의 은유>, <감정의 은유> 범주 등, 관계적 측면에서 <도형 관계의 은유> 범주를 찾았다. 초등학생의 은유적 표현은 모양으로 접근하는 각의 질적 측면에서 가장 많이 나타났고, 학년이 올라가면서 각의 크기 및 벌어진 정도의 양적 측면이나 각의 구성 요소 및 다른 도형과의 관계적 측면이 증가하였다. 직각과 예각은 모양의 접근이 두드러졌고 둔각은 세 가지 접근의 빈도 분포가 유사하였다. 이 연구에서 추출한 초등학생의 은유적 표현은 각 개념 형성을 파악하는 기초 자료로 활용되거나 수업 구성 및 학습 자료로 활용될 수 있을 것이다. 다면적인 각 개념의 형성을 위하여 차시별 도입 방법만이 아니라 관련 학습 내용 간의 학습 계열의 추가적인 논의가 필요하고, 2022 개정 수학과 교육과정에서 도형과 측정 영역이 하나의 영역으로 변경되면서 각의 다면성과 연계하여 학습 계열 설정의 논의가 더욱 중요한 시기이다.

Abstract ▼ AI-Helper

This study used metaphors as a analysis tool to investigate elementary school students' formation and development of angle concepts. For this purpose, the students were asked to write words associated with angle, right angle, acute angle and obtuse angle and to explain why. In case of angle and right angle, responses of 268 students from 3rd to 6th graders were analyzed and for acute angle and obtuse angle, those of 192 students from 4th to 6th graders were examined. As the results of categorizing the metaphors, they can be classified into categories such as; (1) qualitative aspects: 'things metaphor', 'personality metaphor', 'emotions metaphor' etc., (2) quantitative aspects: 'motions metaphor', 'changes metaphor', 'emotions metaphor' etc., and (3) relational aspects: 'shape relations metaphor.' The metaphoric expressions were prominent in 'qualitative aspects' associated with shapes. As for the other aspects, 'quantitative aspect'- the size of angles and the amount of spread and 'relational aspects' - elements of angle and relationship with another shapes, the frequency increses were shown to as grade levels were up. In case of right angle and acute angle, 'qualitative aspects' associated with shapes were outstanding and the frequency of the metaphoric expressions of obtuse angle was distributed similarly in three aspects. As the figure strand and the measurement strand are integrated to an strand in the 2022 revised curriculum, we need more discussion of multifaced aspects of angle and the learning sequences in the 'figure and measurement' strand.

주제어

표/그림 (7)

표 Table 1. Analysis of metaphors for angles in three aspects
표 Table 2. Analysis of metaphors for right angle in three aspects
표 Table 3. Analysis of metaphors for acute angle in three aspects
그림 Figure 1. in the aspect of shapes
표 Table 4. Analysis of metaphors for obtuse angle in three aspects
그림 Figure 2. in the aspect of the amount of spread
그림 Figure 3. in the aspect of relations

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