• Journal of the Korean School Mathematics Society
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• v.17 no.4
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• pp.565-587
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• 2014

Self-Regulated Learning Strategy is a kind of learning strategy that learners could choose and apply metacognitive, cognitive, motivational, and behavioral strategy autonomically and could take an active part in the classes. The purpose of the study was to identify aspects of self-regulated learning strategy with mathematical journal writing. Mathematical journal was composed of 13 questions and each of factor had 1~2 questions. The results of the study have revealed that metacognitive strategies were identified as setting up learning goals, seeking problem solving strategies, reflective thinking and providing examples. Cognitive strategy was identified as understanding the structure among ideas, sequential ranking and key ideas. Motivational strategy was identified as satisfaction and anxiety for studies, confidence and frustration for next studies. There are implications for mathematics education that self-regulated learning strategy can be improved with mathematical journal writing and help students to study mathematics efficiently and successfully.

• School Mathematics
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• v.11 no.1
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• pp.147-164
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• 2009

This study investigated the development of geometrical thinking levels of the under achievers at mathematics through supplementary classes according to van Hiele's learning process by stages using mathematical journal writing. We selected five under achievers at mathematics among the fourth graders. We examined their geometrical thinking levels in advance and interviewed them to collect basic data related to their family backgrounds and their attitude toward mathematics and their characteristics. Supplementary classes for the under achievers were conducted a couple of times a week during 12 weeks. Each class was conducted through five learning stages of van Hiele and journal writing was applied to the last consolidating stage. After 12th class had been finished, posttest on geometrical thinking levels was conducted and the journals written by the pupils were analyzed to find out changes in their geometrical thinking levels. The result is that three out of five under achievers showed one or two level-up in their geometrical thinking levels, though the other two pupils remained at the same level as the results by the pretest. Moreover we found that mathematical journal writing could provide the pupils with opportunities to restructure the content which they study through their class.

• Journal for History of Mathematics
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• v.23 no.2
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• pp.1-21
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• 2010

The first Korean mathematical science journal was published by Yu, Il- Sun in 1905 and the name of this journal is "Mathematical Science magazine". This monthly journal was published for 2 years. But in the existing literature, there is no information about it. We discovered its existence and studied its contents. From the historical materials, pioneering contributions of Yu, Il-Sun to mathematics were provided. In this article, the first issue of this journal was fully analyzed. We could see his affection and enthusiasm for the journal that he started. More mathematical search efforts on finding historical math materials should be continued. More efforts should be made on finding historical math literatures. Related researches will be done. Those works will be worth to be shared in ICME-12 and ICM 2014.

• Journal for History of Mathematics
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• v.19 no.2
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• pp.77-88
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• 2006

In 1876, America's first Jewish math professor J. J. Sylvester took a department head position at the first research university in USA at the age of 61. He launched the America's first research journal of mathematics in 1877. We study the role and meaning of J. J. Sylvester, F. Klein and E. H. Moore in late 19th century of American mathematics from Korean's perspective.

• The Mathematical Education
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• v.53 no.1
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• pp.1-24
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• 2014

This study examines the effects of reflective journal writing on the mathematics self-efficacy in reciprocal peer tutoring. Participants were 38 high school students in Gyeonggi province who attended at a summer intensive mathematics course for 4 weeks. This study used a mixed method. SPSS 21.0 program was used to analyze the quantitative data, and the interviews, observational journals and reflective journals of 6 students were used to analyze qualitative data. According to the results, all the subcategories of mathematics self-efficacy, - mathematics problem-efficacy, mathematics success-efficacy, mathematics learning-efficacy, and mathematics subject-efficacy - improved except mathematics occupation-efficacy. In case of mathematics success-efficacy and mathematics problem-efficacy, students revealed the greatest improvement. In conclusion, reflective journal writing in reciprocal peer tutoring could be suggested as a treatment program to improve students' mathematics self-efficacy.

• The Korean Publising Journal, Monthly
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• s.277
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• pp.36-36
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• 2000

• The Korean Publising Journal, Monthly
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• s.320
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• pp.35-35
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• 2002

• The Korean Publising Journal, Monthly
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• s.319
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• pp.42-42
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• 2002

• The Korean Publising Journal, Monthly
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• s.263
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• pp.34-34
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• 1999

• The Mathematical Education
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• v.44 no.2 s.109
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• pp.229-264
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• 2005

This thesis is about a comparative study how they use technology in math education in both Korea and U.S.A. The subjects of investigation are the representative math education journals in Korea and America-Mathlove of Korea and Mathematics Teacher of U.S.A. I have chosen and studied contents that is related to technology in the two journals which were published for 10 years from 1995 to 2004. The followings are the theme of the study. Theme 1 (The situation of environment) : I have examined the usage situation of technology in Korea and America, by studying and analysing the rates and types of sentences contained technology in the two journals. Theme 2 (The situation of substances) : By studying and analysing substances and materials of two journals, I have made a study what changes technology of math education in U.S.A and Korea made for math learning contents and materials. Theme 3 (the situation of methods) : I made a study about how technology has affected the methods of teaching and learning math in both Korea and U.S.A by analysing and studying the methods which they have applied to math education.