• 한국학교수학회논문집
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• 제3권1호
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• pp.165-175
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• 2000

The situation of unification has been changing in the rapid speed. In this condion it is most important that we understand North Korea's current situation correctly, by overcoming the differences between South and North Korea and trying to pursuit the national homogeneity. One of the most effective ways to understand North Korea is to understand their education. So, I wrote this thesis as a way of getting ready for the united Korea by konwing mathematics texts and their system, composition, contents of junior high school in North Korea Anyway, I hope that this study will be helpful to the integration of mathematics education after unification of North and South

• East Asian mathematical journal
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• 제23권3호
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• pp.313-326
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• 2007

The purpose of education of propositional logic is to understand the basic structure of the mathematics and to improve the logical thinking in normal life. But in the seventh curriculum, some basic terms, for examples $\wedge$ and $\vee$, are not introduced, the proposition $p{\\rightarrow}q$ is not defined properly, and use the wrong term $\Rightarrow$ so that it is difficult to understand the propositional logic. In this paper, we present a suitable content for the propositional logic in high-school mathematical class. We also present a proper definition of the proposition $p{x}{\Rightarrow}q{x}$ without using the notation $\rightarrow$. We finally give proper definitions of necessary conditions, sufficient conditions, and necessary and sufficient conditions.

• 한국학교수학회논문집
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• 제2권1호
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• pp.207-218
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• 1999

The purpose of this thesis is to help the teachers in school to widen the knowledge and to understand the North Korean society by comparative analysis of South and North Korean elementary school's mathematics education process and text books. It is needless to say that we need to have more knowledge and understanding about North Korea as the international and national situation is changing so rapidly these days. One of the most effective ways to understand North Korea is to understand their education. So, 1 wrote this thesis as a way of getting ready for the united Korea by knowing mathematics texts and their system, composition, contents of elementary school in North Korea If this little try is going to be a help in anyway, I will try to do a better study in future.

• East Asian mathematical journal
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• 제30권4호
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• pp.385-404
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• 2014

There are some researches for international comparing of textbook and curriculum, so far. But These researches focused on comparing special region of textbook or curriculum. On the contrary, there are hardly papers how teacher's guide is consists and different with other country. In this paper, we have analyzed teacher's guide of Korea and Everyday Mathematics which is one of the teacher's guide in the many counties in the united states of America. Especially, teaching method, differentiated contents of curriculum, characteristics of consists of curriculum and so on. On the basis of this analysis, we search the improvement points of teaching of primary mathematics and also we make all the primary school teachers realize the diversity of teaching method through foreign cases and consequently they will make use of these results as a reference material such as reconstruction of textbook.

• 한국학교수학회논문집
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• 제4권1호
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• pp.1-8
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• 2001

This paper discusses some variables of innovation arised in the Mathematical Curriculum reform, This means that we should consider the curriculum change based on those variables so that the Mathematical Curriculum could be created on our culture, need of industrial society and nation's system. Those variables could be described as follows. (1) Extension of Compulsory Education (2) Needs of industrial society (3) Change of School environment (4) Integration of School subjects The research method used in the study was the interview-analysis method which the researcher firstly send the questionnaire and then have interviews with the target people. This study also suggests informally a possible solutions of problem that current mathematical curriculum is faced. Those solutions include the change of mathematics syllabus based on the adaption toward the real problems arised in real world.

• 한국학교수학회논문집
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• 제9권2호
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• pp.121-139
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• 2006

본 논문은 현행 중등수학과 교육과정에서 제시하고 있는 이차함수 관련 내용이 학생 들이 이미 배워서 알고 있는 다항식의 관점이 아니라 새로운 개념인 평행이동과 완전 제곱에 의한 꼭지점 형식의 변형으로 지도함으로써 지도내용 사이의 연계성 상실과 학생들의 개념적 이해를 저해하고 있다는 문제점을 인식했다. 이를 해소하기 위하여 본 연구는 다항식 접근을 통한 이차함수의 성질 탐구와 지도방안을 살펴보며 이 접근의 이점을 몇 가지 구체적인 예를 사용하여 논의하고자 한다.

• 한국수학사학회지
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• 제21권1호
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• pp.139-156
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• 2008

본고에서는 무리수 개념 발생을 대수적인 측면과 기하적인 측면에서 고찰하고, 제7차 교육과정과 교과서에서 무리수를 어떻게 다루고 있는지를 살펴본다. 그 결과로 무리수 개념 발생의 본질적 요소인 통약불가능성이 드러나지 않고 있음은 물론, 유리수 개념과의 내적 연결성도 미약함을 알 수 있었다. 따라서 유리수의 본질적 개념과 연결 지어 중학교 단계에서 작도 등을 활용하여 무리수의 본질적인 개념을 관계적으로 이해시킬 수 있는 지도 방안을 제안한다.

• 한국수학사학회지
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• 제34권4호
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• pp.117-136
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• 2021

The unit fraction is the basis of the fraction concept and has a role of starting point for understanding the fraction concept. In this study, in terms of the importance of the unit fraction, the teaching methods of the fraction based on the unit fraction were explored. First, it was examined the emerging contexts of the fraction concept and the diversity of its meanings. Second, it was investigated the contents of the unit fraction in Korean and CCSSM's curriculum and textbooks. Lastly, I suggested the teaching methods using the unit fraction in terms of the introduction of fraction, fractional operations, and teaching of problem solving based on the unit fraction.

• East Asian mathematical journal
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• 제40권2호
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• pp.267-286
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• 2024

This study investigates the perceptions toward prospective elementary teachers regarding the revised 2015 elementary mathematics curriculum. The aim is to understand the importance and implementation of the revised curriculum and provide implications for curriculum improvement in elementary teacher education institutions, using Interpretative Phenomenological Analysis (IPA). The research findings are as follows: Firstly, prospective elementary teachers perceived that the areas of the revised 2015 elementary mathematics curriculum that require particular focus are number and operations and data and probability. Secondly, they identified the specific elements within these areas that demand dedicated attention as follows: numbers up to four digits in number and operations, mixed calculations with natural numbers, shapes of solid figures, spatial sense of solid figures, comparison of quantities in measurement, etc. These findings can inform the improvement of the curriculum in elementary teacher education institutions.

• 대한수학교육학회지:수학교육학연구
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• 제18권3호
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• pp.353-372
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• 2008

본 연구는 우리나라 제7차 초등학교 교육과정과 NCTM(2000)의 "학교수학을 위한 원리와 규준" 에서 제시하고 있는 그래프 지도의 목표를 살펴보고, 우리나라 교과서와 MiC 교과서에서 그래프를 어떻게 교수학적으로 변환하여 다루고 있는지 비교한다. 이를 위해 그래프 단원의 내용 요소로서 그래프의 종류와 정의 방식, 그래프 비교 활동에 대한 교수학적 변환 방식을 비교하여 살펴보았다. 연구 결과, 그래프 지도 목표에서 우리나라에 비해 NCTM(2000)에서는 학생 스스로 자료를 표현하는 방법의 개발을 허용하며, 그래픽 표현 방법에 따른 분석 결과를 비교하도록 한다. 또, 그래프를 통해 자료 전체에 주목하여 설명하도록 한다는 차이점을 확인하였다. 두 교과서에서 다루는 그래프의 종류는 우리나라에 비해 MiC 교과서에서 number-line plot과 상자 그림을 더 다루고 있었다. 그래프를 정의하는 방법은 두 나라가 외연적 정의 방법을 주로 사용하고 있으나, 우리나라 교과서는 외연적 방법과 동의적 방법을 혼합하여 사용하고, MiC 교과서는 외연적 정의 방법을 그래프의 특징과 함께 사용하는 경우가 있었다. 그래프간의 비교 활동은 우리나라 교과서가 매우 빈약한 반면에, MiC 교과서는 여러 가지 형태의 비교 활동이 이루어지고 있음을 확인하였다.