• Journal of Educational Research in Mathematics
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• v.15 no.1
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• pp.57-74
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• 2005

The aim of this study is to reflect Vygotsky's theory of Zone of Proximal Development and other scholars' scaffolding theories emboding the theory and to examine the effects of mathematics instruction by scaffolding. The subjects of this study consist of 8 fifth graders attending S elementary school which is located in San-Chung county. The teaching-learning processes were videotaped and analysed according to scaffolding components. The results between pretest and posttest regarding to fraction were compared and the responses of students to a questionnaire on the mathematical attitude before and after the teaching experiment. It concludes that mathematics instruction by scaffolding was effective to improve students' mathematical learning ability and positive mathematical attitude.

• Journal of the Korean School Mathematics Society
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• v.15 no.2
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• pp.299-316
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• 2012

In this paper, we examine high school in order to know their ability for understanding about fundamental functions, such as polynomial, trigonometric, logarithm and exponential functions which have learned from high school. The result of this study shows as follows. More than half students are not able to draw shape of given functions, except polynomial. More students do not fully understand about function properties such as domain, codomain, range, maximum and minimum value.

• Journal of the Korean School Mathematics Society
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• v.20 no.4
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• pp.521-536
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• 2017

One of difficulties with which teachers meet is to have underachievers with no willingness and motivation for study involved in class. Mathematics underachiever are average or above average in their intelligence but their actual achievement in mathematics did not coincide to their intellectual capabilities. The teaching strategy for them is to motivate them to try to study mathematics and to experience the improvement in their mathematics grade. In this paper, we choose flipped classroom as the strategy of teaching basic mathematics to math underachievers and applied it to them. Then we wanted to make sure the possibility for applying flipped classroom to teaching math underachievers through the analysis of change in the scholastic achievement of students in mathematics and mathematical disposition. The results of this study are as followings; First, when we taught basic math to underachievers using a flipped classroom, we confirm that math underachievers with active participation improved scholastic achievements significantly. Second, the flipped classroom was led to positive effects in an affective domain. In particular, it showed the most noticeable change in the area of willingness to math problem-solving and perception about the value of mathematics.

• Communications of Mathematical Education
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• v.14
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• pp.327-348
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• 2001

본 연구는 수학 교사가 수학 교과에 대한 학습부진 학생의 이해와 적절한 교수-학습 방법의 탐색을 위한 기초 자료를 제공하기 위해 두 가지 유형의 질적 자료를 중심으로 자료를 수집하고 심리검사, 일반 학습습관, 수학 학습습관, 수학 교과에 대한 태도 등 4가지 선문지를 사용하여 여고생을 대상으로 부진요인 분석에 그 목적을 두었다. 본 연구에 따르면 대표적인 부진 요인은 의문 해결을 위한 의지 결핍과 장기 기억방법을 알지 못하고 수학교과목 자체를 싫어하는 경향이 있는 듯 하였다. 스스로 수학 문제를 풀 수 없다는 선입감 때문에 해답을 보고 문제를 풀게 되고, 검산을 하지 않는 특성을 보였다. 이들 수학 학습부진 학생들을 지도할 때는 선수학습을 반드시 확인하는 수업을 고려해야 하며, 수학적 의사 소통 능력 등 보다 수학적인 내용과 과정에 대한 후속 연구가 필요하다고 본다.

• Communications of Mathematical Education
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• v.24 no.3
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• pp.587-610
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• 2010

This paper investigates the ways for estimation ability improvement in length, which is recently emphasized in measurement area of mathematics education. According to preceding studies, students' length estimation ability is considerably low. Revision curriculum tried to pursue estimation and feeling of massiveness responsive to trends in mathematics education. But, Such efforts are not reflected in textbooks and they are rather weak in the aspect of estimation and feeling of massiveness. This paper analyzes the contents related to length estimation in current textbooks critically and explores an alternatives. This paper is suggestive for textbook development to improve ability to estimate length.

• Journal of the Korean Society of Radiology
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• v.14 no.2
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• pp.121-127
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• 2020

The era of the Fourth Industrial Revolution is increasingly demanding mathematical competencies for virtual reality (VR), artificial intelligence (AI) and the like. In this context, this study intended to identify the basic mathematical competency levels of university freshman students in radiology department and to provide basic data thereon. For this, the diagnostic assessment of basic learning competencies for the domain of mathematics was conducted from June 17, 2019 to June 28, 2019 among 78 freshman students of radiology department at S university and D university. As a result, the university students' overall basic mathematical competency levels were diagnosed to be excellent. However, their levels in the sectors of the geometry and vector and the probability and statistics were diagnosed to be moderate, with the mean scores of 2.61 points and 2.64 points, respectively, which were found to be lower than those of the other sections. As for basic mathematical competency levels according to genders, the levels of male students and female students were diagnosed to be excellent, with the mean scores of 17.48 points and 16.29 points, respectively, showing no statistically significant difference (p>0.05). Given the small number of subjects and regional restriction, there might be some limitations in the generalization of the findings of the present study to all university freshman students and all departments. The above results suggest that it is necessary to implement various programs such as student level-based special lectures for enhancing basic mathematical competencies relating to major in order to improve the basic mathematical competencies of freshman students in radiology department, and that it is necessary to increase the students' mathematical competencies by offering major math courses in the curriculum and applying teaching-learning methods matching students' levels.

• Communications of Mathematical Education
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• v.31 no.1
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• pp.1-15
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• 2017

The university entrance examination in deeply related to high school education, adaptation and study ability in university. In this point of view, we investigate the scholastic achievement to the Calculus 1,2, linear algebra and differential equation from academic year 2006 to 2016. The above four subjects contain elementary and essential contents to study for science and engineering major in university. We compare and analyse the data of scholastic achievement and system of various university entrance examination, and we discuss and propose the methods of improvements for adaptation to each major field and study ability.

• Communications of Mathematical Education
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• v.18 no.2 s.19
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• pp.341-358
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• 2004

본 연구에서는 영재교육 프로그램의 효과에 관한 실증적인 연구를 위해서 트레핑거의 자기 주도적 학습 모형과 렌줄리의 3부 심화학습모형을 이용하여, 제7차 초등수학 교육과정에서 다루어지고 있는 기본적인 개념뿐만 아니라, 영재교육과정과 관련된 주제들을 중심으로 초등 수학 영재아들의 자기 주도적 학습 능력 신장을 위한 프로그램을 자체 개발하여, 개발된 영재교육프로그램을 이수하기 전과 이수 후의 수학적 학습 태도에 차이가 있는지를 검증하기 위해서, 제주대학교 과학영재교육원 초등수학반 아동들을 대상으로 사전 ${\cdot}$ 사후 수학적 학습 태도를 분석하였다.

• Journal of vocational education research
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• v.37 no.4
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• pp.23-44
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• 2018

The purpose of the study was to examine the vocational competency of students enrolled in vocational high schools including specialized vocational high school and meister vocational high school, and vocation program of general high school. We analyzed their vocational competency, based upon the vocational competency data of KCCI (Korea Chamber of Commerce & Industry). The results were as follow. First, latent profiles of subjects were categorized into four folds: general cognition-low adaption, cognition adaption general, pursuit of job adaption, low cognition-job mal-adaption. Each percentage of four groups was 39%, 30%, 11%, and 20%. Second, mainly, specialized vocational high school pattern is matched with vocational high schools' pattern. However, the cognitive competency of students in meister vocational high school was higher than that of student in vocation program of general high school. Third, latent profile group was clarified in terms of non-cognition aspect. Fourth, The higher the job adaption is, the higher the career decision level. We suggested some policy implications for improve the vocational competency.

• The Mathematical Education
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• v.50 no.1
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• pp.13-25
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• 2011

The Goals of mathematics education for the lower grades of primary school is to shape the basic concepts and the skills of mathematics. To achieve this goal, it is necessary an assessment which is able to help the students' learning activities by precisely diagnosing their basic mathematical capability. It should lend the students an assistance in diagnosing and revising their problems throughout teacher's cognitive participation in the process of mathematical problem solving. I would like to suggest the dynamic assessment as one of these kinds of approaches. In order to prove the utilities of this way, it was examined the necessity of dynamic assessment on the basis of the Vygotsky's theory after looking into the characteristics of the contents and methods of the mathematics education for the lower grades of primary school. Next, I researched the principles of the dynamic assessment and embodied the assessment tool to evaluate the mathematical achievement of the lower grades of the primary school. Lastly, it was provided the examples of the dynamic assessment tool in order to assist the practice of it.