The Mathematical Education (한국수학교육학회지시리즈A:수학교육)

Korean Society of Mathematical Education (한국수학교육학회)
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Analysis on cognitive characteristics of factorizing process in the perspective of structure sense

구조감각의 관점에서 인수분해 과정의 인지적 특성 분석

  • Chang, Hyewon (Department of Mathematics Education, Seoul National University of Education) ;
  • Kang, Jeonggi (Gimhae Daegok Middle School)
  • Received : 2015.05.11
  • Accepted : 2015.11.16
  • Published : 2015.11.30
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Abstract

Factorization asks the recognition of the structure of polynomials, compared to polynomial expansion with process characteristic. Therefore it makes students experience a lot of difficulties. This study aims to figure out causes of the difficulties by identifying students' cognitive characteristics in factorizing in the perspective of 'structure sense'. To do this, we gave six factorizing problems of three types to middle school students and selected six participants as interviewees based on the test results. They were classified into two categories, structure sense and non-structure sense. Through this interview, we figured out the interviewee's cognitive characteristics and the causes of difficulty in the perspective of structure sense. Furthermore, we suggested some didactical implications for encouraging structure sense in factorizing by identifying assistances and obstacles for recognition of structures.

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References

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