School Mathematics (대한수학교육학회지:학교수학)
- Volume 14 Issue 4
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- Pages.565-577
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- 2012
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- 1229-4322(pISSN)
Study on the teaching of quadratic equation through proportions in a dynamic environment
역동적 기하 환경에서 비례를 이용한 이차방정식의 지도
- Lew, Hee Chan (Korea National University of Education) ;
- Yoon, Okyo (Daejeon Tanbang Middle School)
- Received : 2012.11.09
- Accepted : 2012.12.14
- Published : 2012.12.31
Abstract
In this study, we investigated the process of constructing the geometrical solutions to quadratic equation, through proportions between lengths of similar triangles in a dynamic environment. To do this, we provided one task to 4 ninth grades students and observed the process of the students' activities and strategies. As a result of this pilot lesson study, our research shows the advantage and possibility of geometrical method in learning and teaching quadratic equation.
본 연구에서는 중학교 3학년 학생들에게 닮은 삼각형의 대응변 사이에 성립하는 비례적 성질에 기초하여 역동적 기하환경에서 이차방정식
Keywords