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W tym artykule analizujemy trudności studentów matematyki w przejściuod rozumienia trapezu jako czworoboku posiadającego dwie podstawy różnejdługości do ujęcia zgodnego z jego formalną definicją. Nasze badanie zostałoprzeprowadzone wśród 25 studentów – przyszłych nauczycieli matematyki. Wtrakcie studiów studenci ukończyli kurs „geometrii elementarnej”, który trwał2 semestry (60 godzin wykładów i 60...
Discovering the regularity by pupils is the important problem and present inthe world trends of teaching. In many countries in the teaching of mathematicsthe attention is directed to the functioning of the regularity. In literature onecan find descriptions of carried out research in discovering and generalizing ofnoticed rules (Stacey, 1989; Mason, 1996; Lee, 1996; Garc´ıa Cruz, Martinón,1997; Sasman,...
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