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Item Open Access Creative thinking is increased by means of problem posing instruction in mathematics education(Suleyman Demirel University, 2010) Selim GuvercinThis study investigates the impact of problem posing instruction on the development of mathematical creativity among prospective mathematics teachers. Mathematical creativity is considered a key component of mathematical ability and is often characterized by fluency, flexibility, and originality. Problem posing, which involves generating, reformulating, and generalizing problems, provides a rich environment for enhancing these creative capacities. The study involved 15 randomly selected fourth-year mathematics education students from Suleyman Demirel University. Participants engaged in structured problem posing activities using the Brown and Walter (1983) instructional approach, including open-ended and “What-if-not?” style problems. Pretest and posttest results indicate a significant increase in both the number of questions generated (fluency and flexibility) and the originality of questions, confirming that problem posing instruction effectively promotes creative thinking in mathematics. These findings suggest that integrating problem posing into mathematics education can enhance both teachers’ and students’ creative and cognitive abilities.Item Open Access Methodology of developing students' logical thinking abilities in mathematics(SDU University, 2025) Kalambay N.This study examines the role of developing students' logical thinking skills in teaching mathematics in grades 5. The participants were divided into two groups. The first experimental group, the second control group. This study allowed us to identify a number of shortcomings in the development of students' logical thinking skills in mathematics lessons, and to a certain extent, it became a means of helping to compensate for these shortcomings. In this study, an elective course "Logical Problems and Games" was developed for 5th grade students to develop students' thinking skills in mathematics. The developed elective course allows students to generalize and deepen their knowledge of mathematics within the program, to see the uniqueness and high abstraction of mathematical objects. On the other hand, logical problems show great potential for application in life, practical work, and everyday life, teach them to use logic in finding the right solution, solving various problems, including everyday problems. The program is based on solving logical problems and games for 5th graders and is organized in 34 hours (1 hour per week). The purpose of this study: to develop general logical thinking skills, increase student interest in the subject, and create conditions for the development of problemsolving skills.