Yazar "Kar, Tuğrul" için listeleme
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Comparing the development of the multiplication of fractions in Turkish and American textbooks
Kar, Tuğrul; Güler, Gürsel; Sen, Ceylen; Özdemir, Ercan (Taylor & Francis Ltd, 2018)This study analyzed the methods used to teach the multiplication of fractions in Turkish and American textbooks. Two Turkish textbooks and two American textbooks, Everyday Mathematics (EM) and Connected Mathematics 3 (CM), ... -
Comparison of prospective mathematics teachers' problem posing abilities in paper-pencil test and on dynamic geometry environment in terms of creativity
Öcal, Mehmet Fatih; Kar, Tuğrul; Güler, Gürsel; İpek, Ali Sabri (Hipatia Press, 2020)This study aims to investigate the similarities and differences between prospective mathematics teachers' creative thinking skills in paper-pencil test and on a Geogebra-supported environment in terms of problem-posing. ... -
Development of Turkish sixth-grade students' problem-posing and -solving skills: an application of the extended active learning framework
Terzi, Abdullah; Kar, Tuğrul (Taylor & Francis Ltd., 2022)The present study aimed to test the effect of the problem-posing instruction experimentally based on the extended active learning framework on the development of Turkish middle school sixth-grade students' (N = 19) ... -
An error correction about problem posing on a linear graph
Kar, Tuğrul (Springer, 2016)Dear editor, I am thinking that a portion of the data analysis in the study entitled “Mathematical problem posing as a measure of curricular effect on students’ learning” by Cai et al. (2013) in Educational Studies in ... -
The investigation of prospective mathematics teachers' non-algebraic solution strategies for word problems
Öçal, Mehmet Fatih; Şen, Ceylan; Güler, Gürsel; Kar, Tuğrul (Taylor & Francis Ltd, 2020)This study aims to investigate the non-algebraic solution strategies that prospective mathematics teachers use to solve word problems and their thought process while they were solving the problems. A total of 76 prospective ... -
Pre-service mathematics teachers' problem-formulation processes: Development of the revised active learning framework
Erkan, Beyzanur; Kar, Tuğrul (Elsevier, 2021)In the present study, we examined how pre-service mathematics teachers initiated the problem-formulation process when given another problem as a starting point and what types of considerations they made in the problem-formulation ...