• Journal of the Korean School Mathematics Society
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• v.13 no.2
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• pp.303-322
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• 2010

The purpose of this study was to analyze the effects of using the geometric manipulative for the development of spatial sense and thus to find out a better mathematics teaching and learning method that could help develop students' spatial senses. The two fifth grade classes were randomly chosen as an experimental group (31 students) and a control group (32 students), respectively. This study implemented nonequivalent control group pretest-posttest design of quasi-experimental design. The test instrument used in this study was a spatial sense test. The pretest and posttest were implemented with the same instrument. In addition, their classes were observed and videotaped, and the data and their study activities were analyzed. In conclusion, first, the geometric manipulative-aided activities contributes to developing students' spatial senses and their two sub-factors involves perceptual consistency and perception of spatial relationship. Second, the activities of grasping the components of solid figures, sketches and development figures by using the geometric manipulative contribute to boost students' perceptual consistencies and their perceptions of spatial relationship.

• Communications of Mathematical Education
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• v.11
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• pp.339-353
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• 2001

7차 교육과정과 정보화시대를 맞이하여, 수학 교수-학습에서도 기술공학적 교구의 사용이 권장되고 있다. 이에 따라 많은 교원양성 기관과 단체들이 기술공학적인 교구에 대해 다양한 의견을 내고 있다. 여기에서는 먼저 기술공학적 교구의 사용에 대해 teaching 보다 학생의 learing을 중심이 되도록 하고 또한 인터넷과 네트웍 기반의 컨텐츠를 강조하는 원칙을 제시하고, 또 거북 기하학습 환경과 움직이는 기하학습 환경을 하나로 통합하여 인터넷에서 연결하여 쓸 수 있도록 http://javamath.snu.ac.kr 주소에 자바로 구현한 자바수학 마이크로월드의 설계에 대해 논한다.

• The Mathematical Education
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• v.60 no.2
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• pp.159-172
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• 2021

The purpose of this study is to compare and analyze the effects of physical manipulative and exploratory geometry software on the spatial sense for 5^th grade elementary school students in learning nets. For this purpose, ton experimental group used Geofix, an operational learning tool, and the experimental group used Cabri 3D, an exploratory geometry software to learn the nets of solids. The comparison group was learned by worksheet only without any manipulative or software. Spatial sense tests were conducted before and after to determine the level, and eye tracking were used to analyze the strategies of students in solving nets problems. As a result, it was confirmed that the using Geofix group was the most effective for the spatial sense, and Cabri 3D could also be a good tool for learning the nets of solids. In addition, after learning the nets of solids, the analytical strategy, which was the most effective strategy for students' solving strategies, increased. In the process of solving spatial tasks such as the spatial sense tasks, eye tracking technology become a very useful tool for exploring students' strategies, so it is expected that objective and useful data will be collected through more active use in the future.

• Journal of the Korean School Mathematics Society
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• v.12 no.4
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• pp.523-544
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• 2009

The object of this study is to analyze manipulative materials in the Pattern & Algebra field of Maths300-Maths with Attitude, Australian school mathematics program with manipulative materials to search meaningful ways for school mathematics. To accomplish these projects, 20 manipulative materials in the Pattern & Algebra field of the Maths with Attitude are introduced and each manipulative materials can be used are searched according to grades and fields of Korean educational course. And 4 mathematics classes for 3rd and 5th grades(two for each grades) with manipulative materials are performed and effect of these classes are examined by recorded data and students' opinions are inquired by questionnaire. First, We analyze Pattern & Algebra of the Maths with Attitude 20 manipulative materials such as 4ARM SHAPES, ADDITION TOTALS, ICE CREAM FLAVOURS, THE LAND OF ET, etc. In this analysis, plans for utilizing the manipulative materials are categorized in 9 types. Second, by students' handling these kinds of manipulative materials in classes, their interest in mathematics is increased and voluntary and creative classes out of the conventional ones can be made. Also, students' self-confidence in mathematics and active participation is animated. This kind of manipulative materials are introduced in the educational field of elementary schools, plans for utilizing the teaching aids in the field are analyzed, the teaching aids are practically applied to classes, and the effect and meanings for mathematics classes are examined. With this research, another researches about the introduction and utilization of other various manipulative materials for motivating students to efficiently understand what they learn in mathematics class of elementary schools are required.

• The Journal of Korean Association of Computer Education
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• v.21 no.5
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• pp.37-48
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• 2018

The 2015 revised national curriculum includes SW courses to improve computational thinking, and a variety of physical computing tools for learning are on sale for use in education. The purpose of this study is to provide a basis for selecting physical computing tool for learning suitable for learning situations and learning purposes, and to provide a reasonable basis for judging the choice of tools in the field. Delphi survey method was used as a reference method for developing evaluation criteria through 25 expert panels. As a result, the criterion of evaluation of the learning tool composed of 40 essential and 11 selection criteria for 7 domains was presented. In addition, the evaluation results of five kinds of learning tools commercialized through the evaluation criteria of the learning tool were analyzed. The evaluation criteria for the learning tools developed through this study are expected to help teachers select rational learning tools and help learning tool developers develop learning tools.

• The Mathematical Education
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• v.1 no.2
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• pp.5-7
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• 1963

• Journal of The Korean Association of Information Education
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• v.21 no.4
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• pp.437-450
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• 2017

This study derived optimized teaching aids that use the physical computing method as the solution for effective software education at the elementary level. We set standard for selecting physical computing teaching aids in elementary-level by gathering the opinions from previous studies and think tanks and then applied the standard to some aids and choose one. We also made lesson plan and tried it to the experimental group. Subsequently, students' logical thinking skills showed a statistically significant improvement in terms of the t-test. Also, in the analysis of the effect size, it was shown to have a positive influence on the improvement of the students' logical thinking skills. Additionally, survey of satisfaction evaluation from the students showed that the teaching aid selection standard was effective in selecting suitable teaching aids for elementary students and that the classroom activities utilizing physical computing teaching aids were at a suitable level for elementary students.

• Communications of Mathematical Education
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• v.12
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• pp.57-66
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• 2001

우리는 공간적인 패턴, 모양, 그리고 움직임의 세계-즉, 기하의 세계-에 살고 있다. 아동들은 그들의 환경에 자연스럽게 매혹되고, 보고, 듣고, 움직임으로써 계속해서 정보를 받아들이므로, 그들의 공간적인 능력은 일반적으로 수(數)기능을 능가하기도 한다. 이러한 차원에서 볼 때, 우리나라의 수학과 7차 교육과정에 공간 감각을 기르기 위한 내용이 새로이 추가되었다는 것은 아주 고무적인 일이라고 생각하며, 이와 관련하여 문헌 연구를 통해서 공간감각에 대한 개념을 살펴보고, 교육과정 및 교과서를 분석하여 공간감각을 길러줄 수 있는 내용을 체계화하며, 공간감각을 증진시킬 수 있는 교구 활용 방안을 제시하고자한다.

• The Bulletin of The Korean Astronomical Society
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• v.46 no.2
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• pp.73.2-73.2
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• 2021

본 연구는 지능정보기술을 천문교육에 활용하여 어떻게 천문교육에 활용할 것인가에 대한 방안을 모색해보았다. 3D프린터, 레이저커팅기, 빅데이터, 인공지능, 드론 등 지능정보기술을 확보한 메이커스페이스 공간에서 이들 기술을 활용하여 천문교육 프로그램을 개발해보는 일은 4차산업혁명시대의 핵심역량을 함양하는데 크게 기여할 것으로 판단된다. 또한 2021년 8월에 중기부 사업으로 선정된 충북대 Pro 메이커스 센터를 중심으로 메이커스페이스 환경에서 다양한 천문교구 개발 및 개발된 천문교구를 활용한 프로그램이 개발되어 형식교육의 현장 뿐만 아니라 비형식 교육의 현장에 다양하게 적용될 계획이다. 이에 향후 메이커스페이스 환경에서 대중천문프로그램이 어떻게 발전될 것인가에 대한 견해 및 토론도 발표될 예정이다.

• Korean Architects
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• s.622
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• pp.34-41
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• 2021