• Title/Summary/Keyword: 합접성

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A Study on The Application of Inclusion-Exclusion Method in Soma Cube Activity (소마큐브(Soma Cube) 활동에서 포함-배제 방법의 활용에 대한 연구)

  • Shim, Sang-Kil;Hwang, Sun-Wook
    • The Mathematical Education
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    • v.48 no.1
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    • pp.33-45
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    • 2009
  • The purpose of this article is to study characteristics of Soma Cube in combinatorial-geometric point of view, and to present basic substances and direction for efficient Soma cube activities in school mathematics upon systematical analysis of methods of finding solutions using Inclusion-Exclusion Method. We can apply Inclusion-Exclusion Method to find all possible solutions in Soma Cube activities not as trial-and-error method but as analytical method. Because Inclusion-Exclusion Method can reduce the number of problem-solving variables by making high conjunction in the choice of pieces. Soma cube pieces can be sorted as 'flat' ones and 'non-flat' ones, which would be another effective method in the manipulation of Soma Cube pieces.

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