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A Few Problems for the Intellectual Development of Students in High Schools and Community Colleges  

Mulyukov, Rustem (Tatar State University for Humanities and Education)
Publication Information
Research in Mathematical Education / v.14, no.3, 2010 , pp. 211-218 More about this Journal
Abstract
It is a truism that mathematics is about relations (cf. [Halford, G. S. (1999). The properties of representations used in higher cognitive processes: Developmental implications. In: Sigel, I. E. (Ed.), The Development of Mental Representation: Theories and Applications (pp. 147-168). Mahwah, New Jersey: Erlbaum]). In this article we are considering few problems related to the Viviani's and Routh's Theorems. All Problems are connected by the relation which exists between the distances of the point inside the triangle to it sides. We show how reasoning about the relations could lead the student's problem solving process and give easy to understand solutions of the problems. Among the problems being considered are the proof of the Converse to Viviani's Theorem, the formulas for areas of all figures formed by the sides of triangle and its cevians.
Keywords
mathematics instruction; problem solving; Viviani's Theorem; Routh's Theorem;
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  • Reference
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