• Communications of Mathematical Education
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• v.14
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• pp.135-150
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• 2001

역동적 평가는 구성주의와 사회문화적 관점이 교육과정에 많은 영향을 주면서 이를 평가에 반영하기 위한 대안으로 등장한 새로운 평가의 방향이다. 전통적인 심리 측정에 대한 비판에서 시작되었으며, 통계적인 자료정리에서 벗어나 아동에 대한 변화가능성을 평가하자는 것이 주목적이다. 결과 지향적인 평가는 미래의 수행에 대한 완전한 예언을 할 수 없지만, 역동적 평가에서 각 개인의 평가는 개인의 특성에 따라 각기 다른 체제 내에서 이루어진다. 역동적 평가의 입장 가운데서도 본 연구에서는 사회문화적 체제 관점에서 실제영역과 발달가능영역에 대한 사회적 상호작용에 대해 관심을 가지고 있다. 이를 위해 개인에 작용하는 생태학적 회로망을 평가의 주요한 배경으로 선택하고 있으며, 사회문화적 관점에서 평가관의 변화를 제시하면서 이에 따른 수학교육적 시사점을 찾아본다.

• Journal of Educational Research in Mathematics
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• v.25 no.4
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• pp.549-569
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• 2015

Reflecting on own beliefs about teaching and learning, developed during "the apprenticeship of observation", is a central task for pre-service years. This case study analysed a lesson observation course which could identify, challenge pre-service teachers' folk pedagogy about classroom communications and induce to change of beliefs about teaching and learning. Our analysis shows that targeting and refuting pre-service teachers' specific belief may be an effective strategy for teacher educators to foster new teaching practice.

• Communications of Mathematical Education
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• v.34 no.4
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• pp.465-484
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• 2020

The purpose of this study was to prove the effect of Mathematics field experience trip program on students' attitude in learning Mathematics. For this we developed Jejumok-Gwanna Math-Tour program in 2019 for students which would make them to walk and experience mathematics in the field. In that program, we suggested several Mathematics examples about natural objects and artifacts in Jejumok-Gwanna. After that, we let A middle school students within Jeju to experience this program in order to see the effect of this program. We asked participants to write pre- and past- questionnaire, have an interview, and write review. After analyzing those, this study concluded that the effect of Jejumok-Gwanna Math-Tour on student's attitude in learning mathematics was statically significant. The result of this study suggested that Mathematics Field Experience Study Program could be useful to improve student's attitude in learning mathematics.

• Journal for History of Mathematics
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• v.22 no.3
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• pp.207-254
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• 2009

We would like to give an introduction about Korean Tertiary Mathematics and curriculum in the early 20th centuryan Ttails like, when tertiary mathematics was introduced in Korea, who adiated it, and how it appeared in curriculum for college education were presented. From the late 19th century, the royal circle of the dynasty, officers, socd. Felites, intellectu. sculum in tand many foreatn my mionaries, who entered Korea, began to establish educational ulstitutions begulnearlfrom the nt80s. Kearl GoJongtannounced thescript for general education icentur. Most of the new schoo scadiated western mathematics as tcompulsory course in their curriculumiese introduced tertiary mathematics in most of the curriculumurse end curriculum in, lfrom nt85 to 1960. Since then, tertiary mathematics was tautit at most of the new private and public schools of each level and in colleges. We have investigated the history of Korean tertiary mathematics with its curriculum from 1895 to 1960.

• School Mathematics
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• v.18 no.4
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• pp.857-880
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• 2016

The development of teacher's professionalism through teacher education is a key element in the improvement of school education. However, there has been criticism that the mathematics teacher education in Korea do not provide given enough opportunities for the classroom experience during preservice teacher education period. For development of inservice mathematics teachers and preservice teachers' teaching professionalism, this study develops a research community for mathematics classroom consisting of experts, inservice mathematics teachers, and preservice teachers. And the study explores the possibilities of the model as an educational space for inservice teachers and preservice teachers by participating in a series of courses such as task development and revision, and observation and analysis of classes. As results, inservice teachers and preservice teachers were able to enhance the practical experience and understanding necessary for the class, and they were also positively influenced in teacher efficacy and view of teaching on the model. Based on this, we suggest the possibility of the model as a teacher education system.

• Journal for History of Mathematics
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• v.31 no.5
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• pp.223-234
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• 2018

Ancient Chinese mathematics education has a long history of more than 3,000 years, and many excellent mathematicians have been fostered. However, the systematic framework for teaching mathematics should be considered to be started from the Zhou Dynasty. In this paper, we examined the educational goals, trainees(learners), providers(educators), and contents in mathematics education in the ancient Chinese Zhou Han Dynasty, Tang Dynasty and Song Dynasty.

• Communications of Mathematical Education
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• v.21 no.3
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• pp.431-450
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• 2007

A polygon is one of the main subjects of the geometry curriculum that is handled widely from the second-grade elementary school to middle school. In this research, we analyze second-grade middle school students' conceptions of the polygon that are revealed in the process of seeking the definition and the area of it given in a lattice worksheet.

• Journal of Educational Research in Mathematics
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• v.16 no.4
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• pp.367-386
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• 2006

There are two strands for considering tile relationships between education and technology. One is the viewpoint of 'learning from computers' and the other is that of 'learning with computers'. In this paper, we call mathematics education with computers as 'computers and mathematics education' and this computer environments as microworlds. In this paper, we first suggest theoretical backgrounds ai constructionism, mathematization, and computer interaction. These theoretical backgrounds are related to students, school mathematics and computers, relatively As specific strategies to design a microworld, we consider a physical construction, fuctiionization, and internet interaction. Next we survey the different microworlds such as Logo and Dynamic Geometry System(DGS), and reform each microworlds for mathematical level-up of representation. First, we introduce the concept of action letters and its manipulation for representing turtle actions and recursive patterns in turtle microworld. Also we introduce another algebraic representation for representing DGS relation and consider educational moaning in dynamic geometry microworld. We design an integrating microworld between Logo and DGS. First, we design a same command system and we get together in a microworld. Second, these microworlds interact each other and collaborate to construct and manipulate new objects such as tiles and folding nets.

• Education of Primary School Mathematics
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• v.17 no.3
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• pp.205-230
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• 2014

New teaching and learning theory on various aspects about class is needed to implement education which reflects constructivism, ideally. For an ideal learner-centered mathematics class, tangible and intangible elements related to education(view of knowledge, view of leaner, teacher's role, evaluation, the form of class, learning, teaching material, etc.) should be integrated from a constructive perspective and especially, teaching material has to be premised on that learners have intellectual abilities to construct knowledge themselves, and reflect integrity of knowledge, diversity and others, and contain open attributes. In addition to this, teaching material should have characteristics different from those when objective epistemology applies, so there is a need to analyze whether teaching material has those characteristics. For this, this study compared and analyzed <1. Three-Digit Numbers> which belongs to the domain of numbers and operations out of the units of mathematics(3) textbook of the 2009 revised curriculum for the first and second grade that first introduced story-telling, and <3. Understanding of Place Values> for the second grade of constructive math class used in the U.S.

• Journal of Educational Research in Mathematics
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• v.23 no.1
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• pp.53-74
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• 2013

The purpose of this paper is to analyze how mathematically gifted middle school students find out the necessary and sufficient condition for a certain hyperbolic line to be parallel to a given hyperbolic line in Non-Euclidean disc model (Poincar$\acute{e}$ disc model) using the Geometer's Sketchpad. We also investigated their characteristic of mathematical thinking and analyze how they express what they had observed while they did mental experiments in the Poincar$\acute{e}$ disc using computer-aided construction tools, measurement tools and inductive reasoning.