• 한국수학교육학회지시리즈A:수학교육
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• 제53권1호
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• pp.75-92
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• 2014

In this paper, we summarize briefly some of the most salient features of Repkina & Zaika's theory of learning action formation levels. We concretize Repkina & Zaika's theory by comparing various points of view of Uoo, Polya, Krutetskii, and Davydov et al. In this study we are able to diagnose students' learning action formation levels in the process of mathematics problem solving. In addition we use interview method to collect various information about students' levels. As a result we suggest data related with each level of learning action formation, and characteristics of students who belong to each level of learning action formation.

• 한국수학교육학회지시리즈D:수학교육연구
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• 제9권1호
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• pp.59-68
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• 2005

We are introducing a new learning environment for linear algebra at Sungkyunkwan University, and this is changing our teaching methods. Korea's e-Campus Vision 2007 is a program begun in 2003, to equip lecture rooms with projection equipment, View cam, tablet PC and internet D-base. Now our linear algebra classes at Sungkyunkwan University can be taught in a modem learning environment. Lectures can easily being recorded and students can review them right after class. At Sungkyunkwan University almost $100\%$ of all large and medium size lecture rooms have been remodeled by Mar. 2005 and are in use. We introduce this system in detail and how this learning environment changed our teaching method. Analysis of the positive effect will be added.

• East Asian mathematical journal
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• 제37권4호
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• pp.355-379
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• 2021

In this article, we investigated plane figures introduced in elementary school mathematics in the perspective of traditional classification, and also analyzed plane figures focused on the invariance of plane figures out of traditional classification. In the view of traditional classification, how to treat trapezoids was a key argument. In the current mathematics curriculum of the elementary school mathematics, the concept of sliding, flipping, and turning are introduced as part of development activities of spatial sense, but it is rare to apply them directly to figures. For example, how are squares and rectangles different in terms of symmetry? One of the main purposes of geometry learning is the classification of figures. Thus, the activity of classifying plane figures from a symmetrical point of view has sufficiently educational significance from Klein's point of view.

• 문화기술의 융합
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• 제7권2호
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• pp.217-226
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• 2021

Covid -19 이후 온라인 학습에 대한 관심과 수요가 증가하면서 많은 교육기관은 더 이상 온라인 학습을 부가적인 자료로 바라보지 않고 주된 학습 수단으로 사용하게 되었다. 본 연구에서는 스마트러닝에 대한 정의를 살펴보고 실험을 통해 스마트러닝 수학 수업이 학업성취도와 수학적 흥미, 태도에 어떤 영향을 미치는지 살펴보고자 하였다. 이를 위해 집단을 구분하여 6주간 스마트러닝을 실시한 집단과 대면학습을 실시한 집단 간에 학업성취도, 수학적 흥미, 태도를 비교하였다. 그 결과, 스마트러닝을 실시한 집단이 대면학습을 실시한 집단에 비해 세 요인 모두 사전-사후 차이가 큰 것을 발견하였다. 또한 스마트러닝을 실시한 학생들은 기존의 성적 수준이 태도 변화와 학업성취도 변화 사이에 유의한 조절효과가 있었다. 구체적으로 기존의 성적이 낮은 학생들은 높은 학생에 비해 스마트러닝을 통해 태도변화 차이가 클수록 학업성취도 점수도 크게 향상하였다.

• 대한수학교육학회지:학교수학
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• 제13권4호
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• pp.563-580
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• 2011

본 연구에서는 은유에 대한 인지언어학적 견해를 바탕으로 은유 이론을 수학교육에 적용함으로써 교사들에게 수학교육에 대한 새로운 시각을 제공하고 수학 학습 지도 방안으로서 은유를 활용하는데 그 목적이 있다. 먼저 은유에 대해 소개하고 은유를 수학교육의 관점에서 살펴보고 수학교육에서 은유가 갖는 의의를 알아보았다. 또한 은유가 가진 기능들을 중심으로 은유와 수학교육과의 관련성을 논의하고 은유를 활용한 수학 학습 지도 방안에 대한 아이디어를 제공하고자 하였다. 그 결과 은유가 설명적, 정교화, 표상적 기능을 가지고 있음을 밝혔고, 이를 수학적 개념 설명, 수학적 연결성 강화, 수학적 표상 학습에 적용하는 것이 은유를 활용한 수학 지도 방안이 될 수 있음을 예시하였다.

• 한국수학교육학회지시리즈C:초등수학교육
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• 제6권2호
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• pp.65-74
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• 2002

In this paper, inquiry-oriented mathematics instruction was suggested as a teaching method to foster mathematical creativity. And it is argued that inquiry learning assist students to explore the mathematical problem actively and thus participate in mathematical activities like mathematicians. Through inquiry activities, the students learn mathematical ideas and develop new and creative mathematical ideas. Although creativity is often viewed as being associated with exceptional ability, for mathematics teacher who want to develop students' mathematical creativity, it is productive to view mathematical creativity as a mathematical ability that can be fostered in general school education. And also, both teacher and student have to think that they can develop mathematical ideas by themselves. That is very important to foster mathematical creativity in the mathematics class.

• 한국수학교육학회지시리즈A:수학교육
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• 제44권4호
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• pp.603-625
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• 2005

Identity is the concept which approaches individuals' affective problems with the social and cultural view. The previous studies on the problems, studied the attitudes, beliefs, or emotions while they restricted the problems to teachers or students' private problems. Otherwise, identities focus on individuals which participate to any community and share its social practices(Mclead, 1994). This study purposed to get an understanding on the teaching and learning mathematics in elementary mathematics classroom with an ethnographic view, while we consider mathematics as a kind of social practices, and mathematics classrooms as communities of practice. We analysed teacher's identities on mathematics and teaching mathematics depending on her responses of the questions as following: How does she think about mathematics, what are the instructional goals in her mathematics classroom, how do students learn mathematics in her mathematics classroom. In addition, we analysed students' identities on mathematics and learning mathematics depending on their responses of the questions as following: What do students think of mathematics, do they like mathematics, why do they study mathematics, how do they feel their mathematics classroom(describe your classroom) and themselves in it(describe yourselves in your classroom), what are their duties and what do they do actually in their mathematics classroom.

• 대한수학교육학회지:수학교육학연구
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• 제12권3호
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• pp.331-351
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• 2002

It is widely recommended that teachers should actively mediate students' engagement with tools such as manipulative materials. This paper is to help to parse classroom life so that both social and psychological aspects are accounted for and coordinated. Building on the theory of affordances from ecological psychology and the activity theory from sociocultural perspectives, the main strategy of this paper is to view manipulative materials as simultaneously participating in social and psychological activity systems. Within these activity systems it is charted how both mathematical affordances related to the structure of mathematical concepts and ecological affordances related to socially situated classroom practices need to be considered by teachers in effective mediation of mathematical manipulatives. This paper has three major sections. The first section develops a theoretical extension of Gibson's theory of affordances from natural to social environments. The second section introduces mathematical and ecological affordances using empirical data from a grade two elementary school classroom. The third section illustrates the need of coordinating the two affordances as embedded in different activity systems.

• 대한수학교육학회지:수학교육학연구
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• 제12권4호
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• pp.473-491
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• 2002

This article analyzes mathematics education from dialectical materialism acknowledging the objectivity of knowledge. The thesis that knowledge is objective advances to the recognition that knowledge will be internalized, and an idea of zone of proximal development(ZPD) is established as a practice program of internalization. The lower side of ZPD, i.e. the early stage of internalization takes imitation in a large portion. And in the process of internalization the mediational means play an important role. Hereupon the role of mathematics teacher, the object of imitation, stands out significantly. In this article, treating the contents of study as follows, I make manifest that teaching and learning in mathematics classroom are united dialectically: I hope to findout the method of teaching-learning to mathematical knowledge from the point of view that mathematical knowledge is objective; I look into how analysis into units, as the analytical method of Vygotsky, has been developed from the side of mathematical teaching-learning; I discuss the significance of mediational means to play a key role in attaining the internalization in connection with ZPD and re-illuminate imitation. Based on them, I propose how the role of mathematics teachers, and the principle of organization to mathematics textbook should be.

• 한국수학교육학회지시리즈D:수학교육연구
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• 제7권1호
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• pp.59-67
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• 2003

In linear algebra course, the theory of vector space is usually presented in a very formal setting, which causes severe difficulties to many students. In this study, the effect of teaching the theory of vector space in linear algebra from the geometrical point of view on students' learning was investigated. It was found that the teaching of the theory of vector space in linear algebra from the geometrical point of view increases the meaningful loaming since it increases the visualization.