• 대한수학교육학회지:수학교육학연구
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• 제24권1호
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• pp.29-44
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• 2014

2009 개정 교육과정에서 수학교과교실의 활용에 관한 내용이 언급된 후, 중등학교에서는 2014년까지 모든 학교에서 수학교과교실제가 전면 시행될 계획이다. 본 연구는 수학교과교실의 활용이 초등학교로 확장될 것으로 보고, 초등학교에서의 수학실의 기능 및 활용 방향을 탐색하였다. 수학실에 관한 문헌연구를 통해 설문을 구성하여 현직 초등학교 교사들을 중심으로 수학실에 관한 다양한 의견을 조사하였다. 이를 토대로 초등학교 수학실의 기능과 활용에 관한 방향을 제안하였다. 본 연구에서는 초등학교 수학실의 주요 기능으로 수학문화체험실, 수학레크리에이션실, 수학특별수업실세 가지를 제안하였다. 본 연구는 차후 중등학교의 수학교과교실과는 차별화되는 초등학교 수학실의 구성 및 활용에 시사점을 제공할 수 있을 것이다.

• 대한수학교육학회지:학교수학
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• 제14권1호
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• pp.65-83
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• 2012

본 연구는 현재 시범적으로 실시되고 있는 수학 교과교실이 안정적으로 정착되어 원활한 수학 수업이 이루어지기 위한 방안을 모색하는 것을 목적으로 하고 있다. 수학 교과교실의 발전 방향을 탐색해보기 위하여 먼저 선행 연구 분석을 통해 일반적으로 교과교실제를 운영하기 위해 고려해야할 사항들에 대해 조사하였다. 이를 바탕으로 교과교실 시범학교로 지정된 8개 학교를 선정하여 방문하고, 수학교사를 면담하여 수학 교과교실의 환경과 운영 현황에 대해 조사하고 변화되어야 할 사항을 파악하였다. 연구 결과 현재 운영되고 있는 수학 교과교실은 환경, 교육과정 운영, 교수-학습 등 여러 측면에서 보완해야 할 점이 있었다. 이에 수학 교과교실의 운영 방안과 5가지 수업 원리를 제안하였고, 수학 교과교실을 협동학습실, 첨단미디어실로 구분하여 각기 다른 기능을 가진 수학 교수-학습 방안을 설계하였다.

• 한국학교수학회논문집
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• 제2권1호
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• pp.79-91
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• 1999

The aim of this study focused on student-centered learning not teacher-centered teaching in middle school math classes. This study was performed to check the growth of students' problem-solving abilities, learning attitudes and changes in learning motivation among affective characteristics. The results of this study is as followings: 1) The controlled group a heterogeneous group which had classes in a math room, had more meaningful growth than the uncontrolled group. The results of the study show that the problem-solving abilities of the high-leveled group were better than those of the low-leveled group. 2) The controlled group has shown meaningful difference in their mean in learning aptitude test and attitude test converted their score into 100 points than uncontrolled group, and various kinds of learning materials suitable for problem solving are proved as a good learning factor to induce students' motivation and interest. 3) Students prefer to have classes in a math room to the small-sized and large-numbered classrooms. The atmosphere in a math room is more suitable to improving their problem-solving abilities. In this context, the classes performed in a math room are fairly positive. Consequently, students' leveled learning activities performed in a math room can get their learning motivation and attention from those who are lack of interest and think math is difficult and be effective to increase their problem-solving abilities as a learning method for acquiring the whole course of solving the problems.

• 한국생활과학회지
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• 제19권1호
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• pp.27-38
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• 2010

The purposes of this study were to find out coping behavior to mathematics anxiety depending on grade, sex, mathematics achievement, and mathematics anxiety in elementary school students and to find out the variables influencing coping behavior to mathematics anxiety. 991 students (grade: 4, 5, 6) completed questionnaires about mathematics anxiety and coping behavior to mathematics anxiety. Their home room teachers completed scores of the mathematics achievement test of their students. Data were analyzed by F-test, t-test, correlation and step wise multiple regression. The results of this study were as follows. First, there were statistically significant differences in coping behavior to mathematics depending on grade, mathematics achievement and level of mathematics anxiety except for sex. Second, the level of mathematics anxiety was the most important factor in coping behavior to mathematics.

• 대한수학교육학회지:학교수학
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• 제4권3호
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• pp.415-433
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• 2002

The mathematics education community is seeking to change a teacher-centered class-room culture to a student-centered culture. However, the real transition is not easy, even for teachers who are eager and willing to teach differently. The challenge for teachers is to use the social structure of the classrooms to nurture students' development toward mathematical ways of thinking and communicating as well as their under-standing of mathematical concepts and processes. By introducing an elementary teacher's teaching practice and professional develop-ment along with her classroom episodes, this paper is to make strides toward an enriched understanding of the culture of the elementary mathematics classrooms in which students may have a lot of opportunities to develop conceptual under standing and math-ematical disposition. This paper first provides a detailed description of the classroom flow in terms of general social norms and sociomathematical norms in order to explore how the teacher and the students have established such a student-centered math-ematics microculture. This paper then analyzes the teacher's teaching approach and professional development.

• Journal of applied mathematics & informatics
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• 제29권1_2호
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• pp.469-474
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• 2011

In a M/G/I queue where the server alternates between busy and idle periods, we assume that firstly customers arrive at the system according to a Poisson process and the arrival process and customer service times are mutually independent, secondly the system has infinite waiting room, thirdly the server utilization is less than 1 and the system has reached a steady state. With these assumptions, we analyze waiting times on the systems where some vacation policies are considered.

• 대한수학교육학회지:수학교육학연구
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• 제10권1호
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• pp.35-55
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• 2000

There seems to be a public consensus that the content of Korean mathematics textbooks is extensive and of a high level of difficulty. However, such judgment is the result of a generalization based on individual experience or on the results from comparisons of the international levels of achievement. Therefore, a more objective and stricter approach to the determination of the quantity and level of difficulty of mathematics content is necessary. For this purpose, this study has compared the content of Koreas 6th and 7th junior high school curriculums, and the Korean mathematics curriculum to textbooks of the United States, which has a considerable influence on the making of Korean mathematics textbooks. First of all, a comparison of Koreas 6th and 7th junior high school mathematics curriculums showed a slight reduction in the total quantity of content, as more content was deleted than was added in the 7th curriculum. However, given the fact that the number of hours of mathematics classes has been reduced, the reduction in content cannot be regarded as anything more than a simple reflection of the reduction in hours, proving that the 7th curriculum has not met its revision objective of reducing the content by 30%. Meanwhile, the comparison of the United States junior high school mathematics textbooks to Korea's 7th curriculum showed that the 7th grade content in the United States was much broader, encompassing content which in Korea ranged from the 2nd grade of elementary school to the 2nd year of junior high school. Therefore, on the surface, it may appear that the overall level of content in the American mathematics textbook is lower than that of the Korean. However, there are several cafes, such as statistics and probability, where certain content was more difficult and introduced at an earlier grade in the United States than in Korea. In fact, it can be said that Korea students tend to find content of the mathematics textbooks to be harder than they actually are because they are delivered as a mere aggregate of algorithms, with little consideration to its application in their everyday lives. In this respect, there is much room for improvement on the mathematics textbooks of Korea.

• Journal of Magnetics
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• 제19권3호
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• pp.237-240
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• 2014

For heat-assisted magnetic recording, magnetization reversal probabilities of nano-Pt/MnSb multilayer film with perpendicular magnetic anisotropy under thermal pulse activation were investigated numerically by solving the Landau-Lifshift Gilbert Equation. Magnetic parameters of nano-Pt/MnSb multilayer were used with anisotropy energy of $3{\times}10^5$ erg/cc and saturation magnetization of 2100 G, which offer more than 10 y data stability at room temperature. Scheme of driven magnetic field and thermal pulse on writing mechanism was designed closely to real experiment. This study found that the chosen material is potential to be used as a high density magnetic storage that requires low writing field less than two-hundreds Oersted through definite heating and cooling interval. The possibility of writing data with a zero driven magnetic field also became an important result. Further study is recommended on the thickness of media and thermal pulse design as the essential parameters of the reversal magnetization.

• 대한수학교육학회지:학교수학
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• 제17권1호
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• pp.135-156
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• 2015

초등학교에서 중학교로 넘어가는 시기는 단순한 학년 변화와는 질적으로 차이가 있다. 이 시기는 상당수 학생들이 수학 교과를 포기하게 되는 결정적인 시기이기도 하다. 이 시기에 수학 교과학습과 관련하여 경험하게 되는 변화를 어떻게 인식하고 받아들이느냐에 따라 수학 교과 관련 발달 전망에 희비가 그려질 수 있다. 따라서 이러한 전환기에 학생들이 수학 교수학습에서 어떠한 변화를 경험하는지, 그러한 변화가 학생들에게 어떤 영향을 주는지, 그러한 변화가 필연적인지 개선의 여지가 있는 것인지 등 다양한 측면에서 분석하는 것이 필요하다. 이에 본 연구에서는 초등학교 6학년과 중학교 1학년의 수학 교실 수업장면을 비교분석함으로써, 전환기에 놓인 학생들이 겪게 되는 교수학습의 어려움을 규명하고 그 연계를 강화하여 중학교에 수월하게 연착륙하도록 돕기 위한 시사점을 찾고자 하였다.

• 한국수학교육학회지시리즈E:수학교육논문집
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• 제23권2호
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• pp.383-398
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• 2009

초등학생들의 수학 학업성취도에 관한 실태를 파악하고 초등수학교육연구 및 초등수학을 가르치는 교사들에게 기초자료를 제공하기 위하여 부산광역시 동구의 한 초등학교 4, 5, 6 학년생을 대상으로 가정환경, 사교육, 교재의 난이도, 컴퓨터의 활용도, 모둠별 학습, 수업방식, 예습 복습 및 과제의 분량, 학습태도, 문제해결능력, 과목의 관심도, 교사 및 교우와의 관계 등에 관한 설문조사를 실시한다. 구해진 설문자료로서 요인분석을 실시하여 수학 학업성취도에 영향을 미치는 통계적으로 유의한 요인들을 발견한 후, 그 요인들을 구성하는 설문문항들의 응답결과가 성별, 학년별 그룹에 대하여 통계적으로 유의한 차이를 보이는지 확인하고자 한다.