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Download full textGüler, Ceylan; Güler, Gürsel – Journal of Inquiry Based Activities, 2023
In this study, it was aimed to examine the argumentation structures of 5th-grade middle school students, while they were structuring geometric concepts in argumentation-based activities of geometric shapes. To this end, 7 fifth-grade students studying in a public middle school were included in the study. In the study, five geometry tasks involving…
Descriptors: Middle School Students, Grade 5, Geometric Concepts, Persuasive Discourse
Direct linkKar, Tugrul; Güler, Gürsel; Sen, Ceylan; Özdemir, Ercan – International Journal of Mathematical Education in Science and Technology, 2018
This study analyzed the methods used to teach the multiplication of fractions in Turkish and American textbooks. Two Turkish textbooks and two American textbooks, "Everyday Mathematics" (EM) and "Connected Mathematics 3" (CM), were analyzed. The analyses focused on the content and the nature of the mathematical problems…
Descriptors: Multiplication, Fractions, Textbook Evaluation, Textbook Content
