Yasin Soylu

• Atatürk University

This study aims to examine the strategies developed by 7th grade students while shading different percentages of geometric shapes. The study was carried out with 113 7th graders studying at a state middle school in a province of Turkey. The data were gathered using the Shading Percentage Test, which consisted of seven tasks. Data analysis employed...

In this study, we aimed to identify the basic structure, trends, and dynamics of research about designed learning environment in the field of education between the years 1970 and 2022. In this process, we determined the most-effective concepts and words used in keywords, abstracts, and titles in articles on creative thinking, as well as the most ef...

Bu araştırmanın amacı “Trigonometrik Fonksiyonların Grafiklerini Yorumlama” konusunun dinamik yazılım Geogebra ile tasarlanmış etkinlikler ile öğretiminin 11.sınıf öğrencilerinin akademik başarılarına ve bilgilerinin kalıcılığına etkisini araştırmaktır. Araştırmada nicel araştırma yöntemlerinden biri olan ön-test son-test kontrol gruplu “yarı deney...

Bu araştırmada problem kurma becerisini geliştirmek için tasarlanan Problem Kurma Öğrenme Modeli’nin (PKÖM) kesirlerle toplama ve çıkarma işlemine yönelik problem kurma etkinlikleri üzerinden ilköğretim matematik öğretmeni adayları ile değerlendirilmesi amaçlanmıştır. Araştırmada eş değer olmayan ön test-son test karşılaştırma gruplu desen kullanıl...

Bu çalışmada, 2000-2020 yılları arasında Türkiye’de matematik eğitimi alanında problem çözmeye yönelik çalışmaların içerik analiz yöntemiyle incelenmesi amaçlanmıştır. Çalışmada nitel araştırma yöntemlerinden durum çalışması deseni kullanılmıştır. Verilerin toplanmasında doküman inceleme, verilerin analizinde ise içerik analiz yöntemi kullanılmıştı...

A model was designed herein to be used as a common approach in learning environments to teach problem-posing and improve problem-posing skills, which was named the Problem Posing Learning Model (PPLM). It was attempted to design a framework for problem-posing in line with this objective. The PPLM consists of 6 steps, comprising understanding the de...

Purpose: The purpose of this study is to examine the development of prospective mathematics teachers’ knowledge on measurement-evaluation and curriculum through lesson study method.Design/Methodology/Approach: In this study, a qualitative paradigm was adopted, and among designs, a case study method was used. The participants of the study were five...

The aim of the study was to test the effect of teachers’ professional development upon students’ mathematics academic achievement levels with the help of lesson study. In this manner, the study aimed at increasing students’ mathematics learning levels via lesson study. Action research was used as research method in the study. The sample of the stud...

The aim of the study was to determine the arithmetic and algebraic problem-solving approaches of prospective mathematics teachers in the Department of Elementary Mathematics Education, and mathematics teachers in secondary schools. The study adopted mixed methods research design using exploratory sequential pattern. The participants of the study we...

Bu çalışmada, ilköğretim matematik öğretmeni adaylarının mesleki bilgilerinin gelişimleri ile ilgili farkındalıklarının öğretmenlik uygulaması dersi kapsamında incelenmesi amaçlanmıştır. Bu kapsamda çalışmada nitel araştırma desenlerinden durum çalışması yöntemi kullanılmıştır. Çalışmanın katılımcılarını, Türkiye’de bir devlet üniversitesinin İlköğ...

z Bu çalışmanın amacı, matematik öğretmeni adaylarının geometride yer alan kenar ve ayrıt kavramları ile ilgili anlamalarının incelenmesidir. Öğretmen adaylarının bu kavramlar ile ilgili anlamalarının belirlenmesi 2 ve 3 boyutlu cisimlerin tanımlanması ve bu cisimlerin elemanlarının ne kadarının anlamlı bilindiğinin ortaya konması açısından önem ar...

Öz Bu çalışmanın amacı doğrultusunda; cebir öğrenme alanı ile ilgili ilköğretim matematik öğretmeni adaylarının öğretimsel stratejiler bilgilerinin lisans eğitimleri boyunca nasıl bir gelişim gösterdiği incelenmiştir. Bu çalışmada ilk önce nicel verilerin elde edildiği, daha sonra nicel verileri desteklemek amacıyla nitel verilerin kullanıldığı, aç...

The aim of this study is to investigate the mistakes made by secondary school 7th-grade students in relation to algebraic expressions. In accordance with this aim, the sample of the study consists of 150 7th-grade students studying at secondary schools in Trabzon city centre in the 2013-2014 academic year. In this study, the case study method was u...

The purpose of this research is to determine the effect of a learning environment enriched by using different teaching methods on mathematical reasoning and mathematics attitude. The study was carried out with the participation of 27 seventh-grade students who study at a state middle school randomly selected from a provincial center in Turkey. Inst...

Bu çalışmada, matematik derslerinde matematik tarihi kullanımının öğrencilerin matematiğe olan tutumlarına etkisi incelenmiştir. Araştırmada verilerin elde edilmesi sürecinde deneysel desenlerden yarı deneysel desen olarak değerlendirilen ön test/son test eşitlenmemiş kontrol gruplu model kullanılmıştır. Araştırma, Erzincan ilinde bir ortaokulda fa...

The purpose of the study was to investigate assessment knowledge developments of prospective mathematics teachers during the undergraduate education. The explanatory-confirmatory research design, one of the mixed research designs, was used in this study. The participants of the study consist of 176 prospective teachers in total, 44 of them being fi...

ZET Bu araştırmanın amacı, ilköğretim altıncı sınıfta yer alan Cebir öğrenme alanına ait konuların öğretiminde, somut-yarı somut-soyut öğretimin tekniğinin öğrencilerin başarı düzeyine ve tutumuna etkisiniincelemektir. Araştırmanın örneklemini Van merkezde yer alan bir ilköğretim okulunda öğrenim gören 40 ilköğretim 6. Sınıf öğrencisi oluş-turmakta...

The purpose of this study is to investigate the knowledge of teaching strategies of the prospective teachers of mathematics for elementary in relevance with the surface areas and volumes of geometric objects. The case study method was used in this study in which the qualitative research approach was adopted. The participants of the study are consti...

Many people consider problem solving as a complex process in which variables such as x, y are used. Problems may not be solved by only using ‘variable.’ Problem solving can be rationalized and made easier using practical strategies. When especially the development of children at younger ages is considered, it is obvious that mathematics teachers sh...

In this study, it was aimed to investigate the pedagogical content knowledge of pre-service elementary mathematics teachers'about the concept of cylinder in the subject of geometric objects in accordance with the sub-components of subject knowledge, knowledge of teaching strategy, knowledge of understanding students and measurement and evaluation k...

The purpose of this study is to analyze the teaching strategies of the prospective teachers of mathematics for elementary school in relevance with the geometry formulas. The participants of the study are constituted by six senior students of the program of mathematics teaching for elementary school. In this study, where the qualitative research app...

Explanatory-confirmatory research design, one of the mixed methods research designs, was used in this study to investigate content knowledge (CK) developments of prospective teachers regarding algebra. Cross-sectional study method, as a type of descriptive research and one of the non-experimental research designs, was used to collect quantitative d...

Explanatory-confirmatory research design, one of the mixed methods research designs, was used in this study to investigate Curriculum Knowledge developments of prospective teachers regarding algebra. Cross-sectional study method, as a type of descriptive research and one of the non-experimental research designs, was used to collect quantitative dat...

The aim of this study is to identify the mistakes made by ninth grade students in the subject of functions and reveal the reasons for these mistakes. In line with this purpose, the case study method, which is among the qualitative research methods, was used in the study. The study group of the research was composed of 52 Anatolian ninth grade stude...

Despite of great improvements in ICT (information and communications technology) the textbooks continue to be one of the most important learning materials (Aslan, 2010). It is stated that the presence of the historical development of math concepts in renewed middle school mathematics curriculum develops positive attitudes towards math among student...

Bu arastirmanin amaci, ortaokul matematik ogretmenlerinin koni konusuna yonelik pedagojik alan bilgilerini belirlemektir. Bu kapsamda, ogretmenlerin koni konusuna iliskin konu alan bilgileri, ogrenci bilgileri ve ogretim strateji bilgileri incelenmistir. Durum calismasi yonteminin kullanildigi bu arastirmada, amacli ornekleme yontemi esas alinmis v...

Bu araştırmanın amacı, kesirlerin öğretimine ilişkin ortaokul matematik öğretmenlerinin görüşlerini incelemektir. Bu amaçla, araştırmanın katılımcılarını 12 matematik öğretmeni oluşturmaktadır. Bu doğrultuda çalışmada nitel araştırma yaklaşımına dayalı fenomenografik araştırma yöntemi kullanılmıştır. Çalışmadan elde edilen veriler, yarı yapılandırı...

The purpose of this study is to identify the pedagogical content knowledge of middle school prospective mathematics teachers on the cone topic. In this context, subject content knowledge of the cone, knowledge of understanding students, teaching strategies knowledge and assessment and evaluation knowledge of prospective teachers were examined. The...

The aim of the study is to examine prospective mathematics teachers’ pedagogical content knowledge in terms of knowledge of understanding students and knowledge of instructional strategies which are the subcomponents of pedagogical content knowledge. The participants of this research consist of 98 prospective teachers who are studying in two univer...

Bu calismanin amaci, tamsayilar konusunun ogrenilmesi ve ogretilmesinde yasanan zorluklara iliskin ilkogretim matematik ogretmenlerinin goruslerini incelemek ve cozum onerileri sunmaktir. Calisma, bir il merkezindeki farkli okullarda gorev yapan 38 ilkogretim matematik ogretmeniyle yurutulmustur. Veri toplama araci olarak, tamsayilarin ogrenilmesi...

Modelling can be considered as an effective way of ensuring permanent learning in the ‘Fractions’ topic, as well as the other topics of mathematics. When the effect of teacher’s knowledge on students’ learning is considered, it is important to investigate modelling skills of tomorrow’s teachers regarding fractions. Within this context in the presen...

The aim of this study is to examine preservice teachers’ pedagogical content knowledge regarding geometric shapes in terms of knowledge of understanding students and knowledge of instructional presentations, which are two subcomponents of pedagogical content knowledge. In this context, the data from the test composed of seven open-ended questions s...

The aim of our research is to determine the change in the pedagogical content knowledge levels of the teachers on numbers in the period from their university education to their active teaching profession. The sample of the study is composed of a total of 210 people, 67 of whom are third grade pre-service mathematics teacher, 98 of whom are 4th grad...

A ta tiir k University O m er ja h in A m a sy a University Mathematics a nd p ro o f are two closely related concepts. M athematics not only shows what is right or wrong, but it also teaches that it is not enough to know the latest form ulas and results should be explained with causality. In this context, students learn the underlying meaning behi...

zet Öğretmen öz-yeterliği yani öğretmeye yönelik öz-yeterlik inancı ''öğretmenlerin etkili bir şekilde öğretim faaliyetlerini gerçekleştirme ve öğrencileri başarıya ulaştırma konusunda kendilerine güven duyması'' olarak tanımlanmaktadır. Dolayısıyla öğretmenlerin sahip oldukları öz-yeterlik inançları öğrencilerin öğrenmelerini etkileyen önemli bir...

In this study, pedagogical content knowledge levels of preservice mathematics and elementary teachers is aimed to be compared in order to determine the effects of teachers’ changing role on the mathematics teaching activities in the renewed education system. In accordance with the aim of the study, the comparative study design which is one of the n...

The aim of this study was to examine pre-service classroom teachers' knowledge of students in order to understand students' errors and their instructional written explanations to eliminate these errors. In this context, the participants of the study were composed of 69 pre-service classroom teachers who were studying in the Kazım Karabekir Faculty...

Bu çalışmada; editörlüğünü Erhan Bingölbali ve Mehmet Fatih Özmantar'ın yaptığı ve editörler dâhil toplam on dört yazardan oluşan "Matematiksel Zorluklar ve Çözüm Önerileri" isimli kitabın farklı değişkenler açısından incelenmesi amaçlanmıştır. Biçimsel ve içerik yönünden yapılan bu incelemede, kitap hedef kitlesine rehberlik edecek bir şekilde tan...

The purpose of this study is to investigate the effects of cooperative learning methods and collaborative learning technique on 9th grade students' achievement in mathematics lesson. Worksheet developed for this purpose were applied to 9th grade of students in a secondary school for 4 hours in the second semester. In this experimental study, a pre-...

Linear Algebra lesson is generally regarded as being abstract and unrelated to life so being an boring subject by the students; and this results in the development of a negative attitude towards the linear algebra lesson, and a general failure. One of the most important reason of this problem is that; at the teaching of linear algebra, for explaini...

The aim of this study is to develop suitable instruction materials for the computer enriched learning cycle model regarding the "pyramid" subject. For that purpose, work sheets related to the "pyramid" subject have been developed. The method of the special case study has been used in the study. The implementation of the study has been performed wit...

Mathematical modeling is one of the bases of mathematics education. Mathematical modeling is described as conversion activity of a real problem in a mathematical form. Modeling involves to formulate the real-life situations or to convert the problems in mathematical explanations to a real or believable situation. According to this approach, mathema...

Nowadays, considerable changes are taking place within mathematics education as to what mathematics is and how it should be taught. With the changing perspective in education, a shift has occurred from conveying the existing knowledge to showing ways to reach educational knowledge in teacher-student relationships. Therefore, well-trained teachers p...

The aim of this study is to explain students’ ability to transfer their knowledge about mathematical series to the problems that they encounter. The data of the study were obtained by using two different tests, namely “Problem Solving Test (PST)” and “Series Character Identification Test (SCT)” which were developed by the researchers. The study was...

Nowadays, considerable changes are taking place within mathematics education as to what mathematics is and how it should be taught. With the changing perspective in education, a shift has occurred from conveying the existing knowledge to showing ways to reach educational knowledge in teacher-student relationships. Therefore, well-trained teachers p...

Abst ractThe aim of this study is to determine the effect of teaching practice courses on the success of primary school teacher candidates in using teaching methods and techniques in the instruction of mathematics courses. To this end, the study used as a data collection instrument a three-point likert-type scale developed by the researcher. The da...

This study aims to compare the solution methods which are featured in the sources within the literature and the solution method suggested in this research in finding whether or not a number is irrational. As a result of the comparison made between the solution methods featured in the literature and the solution method suggested in this study, it ha...

This study aims to determine the forms of perception of the students, who have just qualified for university admission, about the mathematical concepts that they gained during elementary education and secondary education process and to determine their level of readiness about general mathematics lesson. In this regard, the sample of the study is co...

Since the concept of 'variable' requires abstract thinking (epistemological) and because of the difficulties in teaching this concept (pedagogical) and approaches of the students towards the concept of 'variable' (psychological), misconceptions and mistakes occur in teaching this concept. The purpose of this study is to detect the mistakes and misc...

This study compares İbrahim Hakkı’s perspective with the method included in the former primary school mathematics curriculum to calculate the approximate values for the square root of numbers and aims to employ Ibrahim Hakkı’s perspective to estimate the approximate values for the square root of numbers in the new curriculum. It was observed that t...

Mathematics course should mainly aim at a conceptual learning. Improving students’ reasoning skills is extremely important. However, mathematics may sometimes become a routine operation. Students determine the learning method in accordance with the test used by the teacher for course assessment and evaluation, in particular. If this test does not a...

One of the most important goals of mathematics education is to improve students’ problem solving skills, which can only be realized by teachers who are well-trained in this field. In this context, the purpose of the studies on the subject is to investigate the models used by elementary school teachers to solve verbal problems and their opinions in...

Bu araştırmanın amacı; Ağrı Eğitim Fakültesi İlköğretim Sınıf Öğretmenliği Anabilim Dalıson sınıf öğrencilerinin matematik derslerinde yöntem ve teknikleri kullanabilme düzeylerinibelirlemektir. Betimsel bir nitelik taşıyan araştırmada veri toplama aracı olarak, araştırmacı tarafındangeliştirilen bir algı ölçeği kullanılmıştır. Veriler, Ağrı Eğitim...

Every branch of science has its own special methods teaching within the perspective of its purposes. A teaching method which is appropriate for the structure of mathematics should be according with these stated purposes below (Van de Wella, 1989 );The students;Ø Conceptual knowledge of mathematics Ø Procedural knowledge of mathematicsØ Connections...

Mathematics is generally considered by students as being an abstract, a boring lesson because of its irrelevance to the daily life, and it caused to a negative attitude and a general failure among the students. It has been observed that this negative attitude increases more and more. Seeing that there is such a general failure among student, we lea...

Children interest themselves in all different toys they see, before beginning to speak. The psychological reasons for children′s interest in toys have been investigated for a long time. Thus many scientists have studied on the question "what is game?", but they have not reached a consensus yet. Such contradiction may be dependent upon different poi...

The purpose of the study is to determine whether there is any effect of the achievement of reading-comprehension on the mathematics achievements. For this purpose, a test included 15 Turkish questions measured reading-comprehension and 15 mathematics questions as word problems is developed and the test is applied to students at department of elemen...

The purpose of this study is to determine what special learning difficulties may be about the practices of definite integral. Wit h this purpose, a test prepared by the researchers and consisting of 8 open- ended questions has been applied to 64 students from the Science Teaching department of Ataturk University Agri Educational Faculty during the...