摘要：This study aimed to investigate prospective primary teacher’s knowledge on prism by exploring the definitions and examples generated by them. Four prospective teachers participated in the study. The five open ended questions used in the study as the data collection tool require drawing an example, explaining the properties, drawing different examples, constructing different definitions, and constructing examples from daily life related to prism. Definitions and examples generated by the participants about prism were analyzed based on accessibility, correctness, richness, and generality criteria (Zazkis & Leikin, 2008). As a result of the analysis, participants' knowledge related to the prism was found to be inadequate. The findings also inform that the mathematics lessons content in the primary teacher teaching program must be looked over in the perspective of generating definitions and examples.
