![Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education](https://www.researchgate.net/profile/Ch-Lemonidis/publication/340281602/figure/tbl1/AS:875314720817154@1585702700575/Frequencies-and-success-rates-for-the-first-answer-of-students-for-each-problem_Q320.jpg)
Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education
![Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education](https://www.researchgate.net/profile/Ch-Lemonidis/publication/247204180/figure/tbl7/AS:996909623824386@1614693184477/Overall-score-performance-in-Mathematics-course-in-university_Q320.jpg)
Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education
![Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education](https://www.researchgate.net/profile/Ch-Lemonidis/publication/247204180/figure/tbl8/AS:996909623828482@1614693184508/Overall-score-Mathematical-sectors_Q320.jpg)
Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education
![Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education Ch LEMONIDIS | Professor (Full) Mathematics Education | professor | University of Western Macedonia, Kozáni | UOWM | Department of Primary Education](https://www.researchgate.net/profile/Dimitris-Anastasiou/publication/342589558/figure/tbl1/AS:908391706816512@1593588868481/Performance-of-Two-Groups-at-Pre-test-and-Post-test_Q320.jpg)