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 ... -
Investigation of elementary school students’ problem posing abilities for arithmetic expressions in the context of order of operations
Öçal, Mehmet Fatih; İpek, Ali Sabri; Özdemir, Ercan; Kar, Tuğrul (Karadeniz Technical University, 2018)In this study, the aim is two folds; investigating sixth grade elementary school students’ problem posing abilities for arithmetic expression and, in this context, determining the role of order of operations rules, one of ... -
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 ... -
Pose, solve and pose cycle: an examination on the change of pre-service mathematics teachers' problem-posing performances
Kar, Tuğrul; Öztürk, Ferhat; Özkaya, Merve (Oxford Academic, 2024)We designed a programme consisting of initial problem posing related to a problem about oil drums, teaching activities to solve the problem and further problem posing to investigate the change in pre-service mathematics ... -
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 ... -
Pre-service mathematics teachers’ handling of a pupil’s incorrect reasoning with a correct answer
Okumuş, Samet; Vondrová, Naďa; Kar, Tuğrul; Robová, Jarmila (Springer, 2024)This study, using a scriptwriting task, examines how 52 Czech pre-service mathematics teachers (PMTs) handled a situation in which a fictional pupil’s incorrect reasoning resulted in a correct answer. The participants were ... -
Problem posing via scriptwriting: What instructional flows do mathematics teachers use in implementing the problem-posing task?
Kar, Tuğrul; Öztürk, Ferhat; Öçal, Mehmet Fatih; Özkaya, Merve (Springer, 2024)The present study aimed to describe teachers’ instructional flows when implementing a mathematical problem-posing task using scriptwriting technique. With matchsticks, a growing pattern that increases by a constant unit ... -
Prospective middle school mathematics teachers’ knowledge of linear graphs in context of problem-posing
Kar, Tuğrul (International Electronic Journal of Elementary Education, 2016)This study examined prospective middle school mathematics teachers’ problem-posing skills by investigating their ability to associate linear graphs with daily life situations. Prospective teachers were given linear graphs ...
