Kiss, MártonKónya, Eszter2024-07-302024-07-302020-11-04Teaching Mathematics and Computer Science, Vol. 18 No. 3 (2020): Varga 100, Special Issue, Volume 1 , 123-1321589-7389https://hdl.handle.net/2437/378534In an earlier exploratory survey, we investigated the metacognitive activities of 9th grade students, and found that they have only limited experience in the “looking back” phase of the problem solving process. This paper presents the results of a teaching experiment focusing on ninth-grade students’ metacognitive activities in the process of solving several open-ended geometry problems. We conclude that promoting students’ metacognitive abilities makes their problem solving process more effective. Subject Classification: 97D50, 97G40application/pdfmetacognitionproblem solvingopen problemfolyóiratcikkOpen AccessMárton Kiss, Eszter Kónyahttps://doi.org/10.5485/TMCS.2020.0485Teaching Mathematics and Computer Science318Teach. Math. Comp. Sci.2676-8364