-According to the results of the national and international examinations various activities is carried out to resolve deficiencies in our education system. One of these studies is The Project of Game Based Mathematics Learning Laboratory implemented in the schools affiliated to the Ministry of Education. The views of the teachers who will organize the learning environment and the educational activities about the mathematics laboratory's impact on learning is crucial in terms of using the projects efficiently in the schools. Hence this study's purpose is to determine the views of the teacher candidates who will train the next generation. It was adopted the case study of qualitative research methods in the study. The study was carried out with 6 primary school and 6 secondary mathematics teacher candidates determined by using criterion sampling method, one of the purposive sampling methods. The research data was obtained with the form consisting of nine open-ended questions. Descriptive and content analysis techniques were used together to analyze the data. At the end of the study, it was presented recommendations to shed light on future research as well as the findings obtained from the opinions of the teacher candidates.

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In this study, it is aimed to investigate the effect of teacher on constructing knowledge process of high school students. A case study was used in this qualitative study. The study was carried out with 2 mathematics teachers selected using maximum diversity sampling from purposeful sampling methods. In addition, 32 students in traditional learning group and 27 students in constructivist learning group participated in the study. The research data was collected through unstructured observations and student products. Descriptive and content analysis techniques were used in the analysis of data. The processes of constructing knowledge have been examined with reference to RBC+C model. The research has reached the results that the process of constructing knowledge is specific to individual and pre-knowledge is important in this process, students can construct knowledge themselves using tips and guidance of the teacher when opportunity is given. Student-student interactions, discussion environments, ability to discover knowledge and express themselves positively affects students' processes of constructing knowledge. However, teacher interventions and teacher centered learning environments are obstacles for students' constructing knowledge. At the end of the study, it has been proposed to carry out the studies on teacher behaviors that prevent the students' constructing knowledge.

This study was aimed to develop a valid and reliable perception scale in order to determine the perceptions of pre-service teachers towards the use of WebQuest in mathematics teaching. The study was conducted with 115 junior and senior pre-service teachers at Balıkesir University's Faculty of Education, Computer Education and Instructional Technologies Department in the spring semester of the academic year 2013 to 2014. The data analysis was carried out with statisitical package for social sciences (SPSS) 17. The construct validity of the scale was tested with factor analysis, while the Cronbach Alpha reliability coefficient was employed to determine the reliability of the scale. The distinguishability of the items was determined by adjusted item-total correlation and the calculation of t values between groups lower and higher than 27%. These analyses generated a scale of 38 items aggregated under 5 factors. The Cronbach's Alpha reliability (internal consistency) coefficient was found to be 0.91, and the t test revealed a significant difference for all items in the groups lower and higher than 27%.