• Journal of Educational Research in Mathematics
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• v.25 no.3
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• pp.367-379
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• 2015

The existence of mathematical objects was considered through diorism which was used in ancient Greece as conditions for the existence of the solution of the problem. Proposition I-22 of Euclid Elements has diorism for the existence of triangle. By discussing the diorism in Elements, ancient Greek mathematician proved the existence of defined object by postulates or theorems. Therefore, the existence of mathematical object is verifiability in the axiom system. From this perspective, construction is the main method to guarantee the existence in the Elements. Furthermore, we suggest some implications about the existence of mathematical objects in school mathematics.

• 대학교육
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• s.184
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• pp.74-80
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• 2014

• Proceedings of The Korean Society of Health Promotion Conference
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• 2008.05a
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• pp.102-106
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• 2008

• Proceedings of the Korea Society of Elementary Mathematics Education
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• 2010.08a
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• pp.89-103
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• 2010

• Proceedings of the Korean Society for Environmental Edudation Conference
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• 2005.12a
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• pp.91-93
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• 2005

• Proceedings of the KHMA Conference
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• 2005.05a
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• pp.168-169
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• 2005

• 대학교육
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• s.141
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• pp.76-86
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• 2006

• 대한지구과학교육학회:학술대회논문집
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• 2011.08a
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• pp.51-52
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• 2011

• The Journal of Korean Association of Computer Education
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• v.22 no.2
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• pp.11-20
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• 2019

In Korea, the software education in elementary and middle school is essential to the 2015 revised curriculum, and various software education policies are being implemented. It is necessary to analyze the effects of these changes on computer and information literacy of students. This study investigates and analyzes the present state of computer and information literacy education in 32 middle schools nationwide. For the 640 students, we surveyed the students' status of coding education, confidence in computational thinking based on coding experience, confidence in computational thinking according to the frequency of computer use for learning purposes, and confidence in computational thinking ability according to the frequency of major ICT activities in class. As a result, there was a lack of Computer and Information literacy educational opportunities through school and relatively lack of educational opportunities for students in the rural area. And the more learning experience showed a positive impact on the confidence in computational thinking.

• Journal of The Korean Association of Information Education
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• v.25 no.6
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• pp.879-890
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• 2021

AI education is being emphasized nationwide as a literacy education. At this point, it is necessary to identify critical issues and suggest the direction of future research by examining domestic AI education research trends. To this end, the study applied the scoping review method. A total of 29 AI educational studies from 2017 to 2020 in South Korea were analyzed. As a result, it was confirmed that the number of studies increased rapidly in 2020, and a large proportion of studies targeted elementary school students. In addition, the study found that AI principles were treated as contents at a high rate, both cognitive and affective aspects were frequently reported as a learning outcome, and various practice environments were used relatively evenly. Based on the results, the direction of future research was discussed and suggested.