• Title/Summary/Keyword: teaching for problem solving

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The Case Study of Using GrafEq, by Pre-service Mathematics Teachers for Exploring Secondary School Mathematics (중등수학 탐구를 위한 예비수학교사의 수학프로그램(GrafEq.) 활용 사례)

  • Kim Nam Dee
    • The Mathematical Education
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    • v.43 no.4
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    • pp.405-417
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    • 2004
  • This study is on the use of mathematics program for School Mathematics Education. According to the ‘technology principle’ by NCTM and teaching-learning methods by the 7th curriculum, we developed mathematics learning activities with mathematics program. This activity is to construct designs with graphs by using mathematics program(GrafEq.). In this study, we practiced these learning activities with pre-service mathematics teachers. The mathematics educational effects of these learning activities in this study are analyzed as follows; active & spontaneous search for mathematical knowledge, the experience of problem solving, affirmative view-point of mathematics, understanding of practical use of mathematics, acquisition an interest & motivation of learning mathematics etc. When students learn graphs of function, the concept of inequality in secondary school mathematics class., mathematics teachers can make a good use of constructing designs by mathematics program(GrafEq.). This will help to practice of teaching-learning methods by the 7th curriculum.

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On the Direction of the Computer Algorithm Education Based on Conceptual Algorithms (개념적 알고리즘에 기반 한 컴퓨터 알고리즘 교육의 방향)

  • Moon, Gyo-Sik
    • Journal of The Korean Association of Information Education
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    • v.11 no.1
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    • pp.29-38
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    • 2007
  • Computer programming in computer education draws much attention recently. Encouraged by the increased tendency of acquiring logical ability and creativity through learning, various attempts have been made to develop them through learning computer programming in the area of computer education as well. The fact that a computer program is the representation of a computer algorithm expressed in a computer language makes us realize that the devise of a logical method for a solution - i.e., the design of an algorithm - is the key to the solution of a problem. Recognizing the importance of computer algorithm would lead us to such a point that systematic investigations for directional establishment for algorithm education are necessary. We observe that researches on teaching computer algorithm have concentrated mostly on specific problems such as sorting and searching, which can be characterized as problem-dependent and individual. In this paper, the idea of conceptual algorithm is stated from the standpoint of conceptual types of problem-solving methods which are considered as problem-independent and collective. A novice approach to algorithm education based on the characteristics of types of conceptual algorithms is proposed for the purpose of developing systematic, problem-independent, algorithmic problem-solving capabilities of learners, which is widely different from the current methods of individual and problem-dependent algorithm education.

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A Study of Secondary Mathematics Materials at a Gifted Education Center in Science Attached to a University Using Network Text Analysis (네트워크 텍스트 분석을 활용한 대학부설 과학영재교육원의 중등수학 강의교재 분석)

  • Kim, Sungyeun;Lee, Seonyoung;Shin, Jongho;Choi, Won
    • Communications of Mathematical Education
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    • v.29 no.3
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    • pp.465-489
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    • 2015
  • The purpose of this study is to suggest implications for the development and revision of future teaching materials for mathematically gifted students by using network text analysis of secondary mathematics materials. Subjects of the analysis were learning goals of 110 teaching materials in a gifted education center in science attached to a university from 2002 to 2014. In analysing the frequency of the texts that appeared in the learning goals, key words were selected. A co-occurrence matrix of the key words was established, and a basic information of network, centrality, centralization, component, and k-core were deducted. For the analysis, KrKwic, KrTitle, and NetMiner4.0 programs were used, respectively. The results of this study were as follows. First, there was a pivot of the network formed with core hubs including 'diversity', 'understanding' 'concept' 'method', 'application', 'connection' 'problem solving', 'basic', 'real life', and 'thinking ability' in the whole network from 2002 to 2014. In addition, knowledge aspects were well reflected in teaching materials based on the centralization analysis. Second, network text analysis based on the three periods of the Mater Plan for the promotion of gifted education was conducted. As a result, a network was built up with 'understanding', and there were strong ties among 'question', 'answer', and 'problem solving' regardless of the periods. On the contrary, the centrality analysis showed that 'communication', 'discovery', and 'proof' only appeared in the first, second, and third period of Master Plan, respectively. Therefore, the results of this study suggest that affective aspects and activities with high cognitive process should be accompanied, and learning goals' mannerism and ahistoricism be prevented in developing and revising teaching materials.

Analysis of Middle and High School Technology Teachers' Recognition and Educational Needs about Engineering Education (중·고등학교 기술교사의 공학교육에 대한 인식 및 교육요구도)

  • Kim, Youngmin;Kim, Kisoo;Kim, Hyunjung;Kim, Jinyoun;Lee, Youngju
    • Journal of Engineering Education Research
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    • v.19 no.3
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    • pp.13-22
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    • 2016
  • The purpose of this study is to analyze middle and high school technology teachers' recognition and educational need about engineering education. For this, we surveyed secondary school technology teachers. The result of this study is as follow. First, most technology teachers perceive that engineering contents are lack in technology education, therefore they recognize the needs of reinforcement of engineering contents. Second, most technology teachers perceive that present technology subject does not give positive affect to students for their own career selection on engineering field. Furthermore, they perceive that if it contained the contents of engineering in technology education, students would experience creative design and problem solving process. Third, most technology teachers perceive that they are able to teach engineering in technology education and they need the change of national curriculum and the development of engineering program contents. Fourth, they perceive that the 7~9 grade is the best grade to start to study engineering in elementary and secondary school. Fifth, they perceive that 'design', 'problem solving' and 'creative thinking' are the priority of educational needs of teaching ability and knowledge about engineering. Sixth, they perceive that the aerospace engineering, the electrical engineering, the electronic engineering, the mechanical engineering, the computer engineering and the environmental engineering are the priority of educational needs of teaching knowledge about engineering fields.

Impact of Collaborative Problem-Solving Instruction Model on Character Competence of High School Students (협력적 문제해결 중심 교수모델이 고등학교 학생의 인성 역량에 미치는 영향)

  • Kwon, Jeong In;Nam, Jeonghee
    • Journal of The Korean Association For Science Education
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    • v.37 no.5
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    • pp.847-857
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    • 2017
  • This study examined the effect of the Collaborative Problem-Solving for Character Competence (CoProC) instruction model within the context of secondary science education. The participants of this study were comprised of 143 Korean students, each of whom was in the 10th grade spread across four class cohorts. These cohorts were further divided into an experimental group (comprised of 73 students from two different classes), which received the CoProC program; and a control group (70 students from two other classes), which did not. In order to assess the effect of CoProC instruction model upon participants' character competence, we designed and administered a Character Competence Test for participants. The CoProC instruction model consists of 3 fundamental steps: Preparation, Problem-solving, and Evaluation. Key character competence targeted in the CoProC program include caring, collaboration, communication, responsibility, respect, honesty, self-regulation, and the development of positive self-image. Thus, these same qualities were targeted and analyzed in the Character Competence Test, which was administered before and after the CoProC activities. The results show a significant increase in the experimental group's competency for caring, collaboration, responsibility, respect, and self-regulation when compared to the control group. Based on these results, we have found that CoProC instruction model to be an effective teaching intervention toward cultivating character competence in a secondary science education setting.

An Algorithm Learning Program with Robot (로봇 활용 알고리즘 학습 프로그램)

  • Lee, YoungJun;Lee, EunKyoung
    • The Journal of Korean Association of Computer Education
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    • v.12 no.1
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    • pp.33-44
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    • 2009
  • In this study, we selected an educational robot as a suitable tool to support algorithm learning for middle school learners through comparative analysis of various tools. Educational robot can provide tangible experiences for abstract concepts of algorithms. Therefore, we developed an algorithm learning program with educational robots to enhance intrinsic motivation and creative problem solving ability for middle school learners. Also, we implemented the developed program in middle schools and analysed the educational effects of the program. We found that the algorithm learning program with robots was helpful in enhancing learners' intrinsic motivation about algorithm learning and creative problem solving potential. These findings may offer useful direction for designing teaching and learning program for algorithm education. These results can be used as a basis for study on designing and developing algorithm learning program.

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A Research on Education of Computer Algorithm for the Development of Creativity for Gifted Elementary Students in Computer Science (초등 정보영재의 창의성 개발을 위한 컴퓨터 알고리즘 교육에 대한 연구)

  • Gyo, Sik-Moon
    • Journal of the Korea Computer Industry Society
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    • v.9 no.5
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    • pp.197-206
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    • 2008
  • Gifted education has drawn much attention in education in recent years and gifted education in computers in elementary education has been emerged as well throughout the country. Now computer algorithm education is considered as a core subject in the area because computer algorithm is the essence of computer technology on which information society relies technically, and also it provides theoretical basis for problem solving using computers. And we observe that fostering learner's creativity is crucial in learning computer algorithms because problem solving requires creativity in general. In the paper, we discuss the procedure to foster learner's creative problem solving ability which would greatly help students learn computer algorithms, and then we discuss how we can make algorithmic ideas into reality. Furthermore, we note that an appropriate level education is necessary for better results for outstanding students in the program, and lastly we propose ideas to improve current gifted elementary education in computers. The content of the paper is largely originated from experiences of teaching gifted elementary students conducted by a local university and sponsored by its municipal government for six years.

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A Study of Teaching-Learning Practices in Education Center for the Talented in Invention (발명 영재 교육기관의 교수-학습 실태 분석)

  • Park, Gwang-Lyeol;Choe, Ho-Seong
    • Journal of vocational education research
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    • v.30 no.4
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    • pp.281-300
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    • 2011
  • This study tried to look into what are happening in the 'class for the talented in invention' using COS-R developed by VanTassel-Baska. Teaching and learning activities within the classroom were observed and analyzed in terms of teacher's observation and teacher's observation, respectively. Based on results of this study, conclusions are as follows. First, it was founded that there are some commonalities between teacher observations and student observations. Based on teacher observations, differentiated teaching activities considering individual characteristics are rarely observed, and for students, it was true. Therefore, supplying a special training program for teachers are needed in order to make teachers and students engage in changing their teaching and learning behaviors. Second, on the side of teachers, they usually emphasize the importance of curriculum planning and implementation, problem solving, creative thinking et al. However, they barely stress the characteristics of research methods, critical thinking, and considering individual characteristics and the level of intellectual ability. Third, on the side of students, they frequently respond to solving problems and critical thinking at the same degree. On the other hand, systemic efforts of considering individual differences and adapting to them have been less regarded in both teaching and learning. In sum, for the successful 'Invention gifted classroom', establishing an educational environment to consider individually guided instruction and taking a balance among various factors embedded in teaching and learning situation should be required.

A Case Study of Using Creative Teaching Methods: 'National Threats' Learning Task (창의적 교수법 활용 사례: '국가 위협요인' 학습 과제)

  • Jin-Wook Baek;Ju-Ho Jug
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.2
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    • pp.373-379
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    • 2023
  • Creative teaching methods can be beneficial in enhancing creativity and self-directed learning abilities in the classroom. However, there may be some specific learning tasks where applying creative teaching methods can be difficult. This is because students may not have completed the necessary prerequisite learning before performing the learning task, leading to low reliability of task results or meaninglessness. This study aims to propose teaching methods that enhance creativity and self-directed learning ability when performing learning tasks that may not have sufficient prior learning. To achieve this, we present a case of applying creative teaching methods to a learning task called "national threats". As a research procedure, we provide a suitable teaching method model and detailed procedures for the given learning task, and apply them in actual classes. The results showed that applying the presented teaching methods for the learning task produced meaningful academic achievements. This study can be valuable not only for enhancing creativity in education but also for interdisciplinary research in fields such as education and national security.

An analysis of errors in understanding the fundamental concepts of function and differentiation for matriculants (대학 입학 예정자들의 함수 및 미분의 기초개념 이해에 대한 오류 분석)

  • Lim, Yeon-Hui;Pyo, Yong-Soo
    • Journal of the Korean School Mathematics Society
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    • v.16 no.2
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    • pp.435-457
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    • 2013
  • The purpose of this paper is to discover effective teaching and learning methods for improving low level mathematic matriculants', who passed the early decision program, problem solving abilities by analyzing their error patterns in the special lecture for basic mathematics in P University. In this paper, we examine the matriculants' understanding and errors on the fundamental concepts of function, and continuity and differentiability of function based on the pre-examination. We also measure the their academic achievement in the special lecture for basic mathematics, and analyze the differences of error patterns between pre-test and post-test result on the concepts of continuity and differentiability of function.

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