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Didem Akyüz

Department of Mathematics and Science Education
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Co-teaching practices that build autonomy for students with learning disabilities in mathematics
Akyüz, Didem; Stephan, Michelle (Informa UK Limited, 2020-08-01)
In order to improve instruction, teachers need to make sense of and evaluate the critical events that have the potential to strengthen the understanding of students' mathematical thinking. Mathematics instruction has shift...
Mathematical Practices of Eighth Graders about 3D Shapes in an Argumentation, Technology, and Design-Based Classroom Environment
Dogruer, Sule Sahin; Akyüz, Didem (Springer Science and Business Media LLC, 2020-01-02)
This design research investigated the mathematical practices that eight graders (14-year-old students) developed when learning about prisms, cylinders, and their surface areas. An inquiry-based learning environment was cre...
Noticing Student Mathematical Thinking Within the Context of Lesson Study
GÜNER, Pınar; Akyüz, Didem (SAGE Publications, 2019-12-21)
The purpose of this study is to investigate a preservice middle school mathematics teacher's noticing of student mathematical thinking within the context of lesson study as a component of a teaching practicum course in a t...
Examining two middle school mathematics teachers’ knowledge for teaching manipulation of algebraic expressions during lesson planning and instruction
GİRİT, DİLEK; Akyüz, Didem (2019-12-01)
Teachers use their content and pedagogical content knowledge for teaching algebra. For this reason, the examination of how teachers use this knowledge may help shed light on how students learn algebra, especially in determ...
Preservice Middle School Mathematics Teachers’ Understanding of Triangle Inequality through Collective Argumentation
UYGUN, TUĞBA; Akyüz, Didem (2019-05-01)
The purpose of the present study was to examine how preservice middle school mathematics teachers develop the understanding and reasoning of triangle inequality through collective argumentation. Data collection process was...
The Comparative Effects of Concrete Manipulatives and Dynamic Software on the Geometry Achievement of Fifth-Grade Students
Disbudak, Ozge; Akyüz, Didem (2019-01-01)
Concrete manipulatives and dynamic geometry software (DGS) are both commonly used for geometry education in elementary and middle schools. This study sets out to understand which of the two approaches was better in improvi...
Middle Grade Students' Evoked Concept Images of Number Line Models and Their Calculation Strategies with Integers Using These Models
YILMAZ, AYŞENUR; Akyüz, Didem; Stephan, Michelle (2019-01-01)
Number line models provide a visual aid for students to examine the relationship of integers with each other and facilitate learning of integers and integer operations. Such models are typically used when students are aske...
Measuring technological pedagogical content knowledge (TPACK) through performance assessment
Akyüz, Didem (Elsevier BV, 2018-10-01)
Despite many studies conducted on TPACK, the relationships between the components of the framework and how to perform TPACK assessment remain to be important research questions. The aim of this study is to shed light on th...
The Evaluation of a Pre-Service Mathematics Teacher's TPACK: A Case of 3D Shapes with GeoGebra
Saralar, Ipek; Işıksal Bostan, Mine; Akyüz, Didem (2018-04-01)
This paper describes a pre-service mathematics teachers' technological pedagogical content knowledge (TPACK) during her school experience. This study focuses on how the participant taught different views of three-dimension...
Ders İmecesi (Lesson Study) Mesleki Gelişim Modeli: Öğretmen Adaylarının Fark Etme Becerilerinin İncelenmesi
GÜNER, PINAR; Akyüz, Didem (2017-04-01)