9th Congress of the European-Society-for-Research-in-Mathematics-Education (CERME), Prague, Czech Republic, 4 - 08 February 2015, pp.2271-2272
This study presents an analysis of the answers given by prospective teachers to a questionnaire that consisted of 6 open ended questions. They answered the questions before meeting the formal definition of order relation and after getting familiar with the formal definition of order relation. In this context, the theoretical perspective of concept image and concept definition is used in the study.