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Download full textKoparan, Timur; Yildiz, Cemalettin; Kögce, Davut; Güven, Bülent – Online Submission, 2010
This study investigates the effect of materials developed based on conceptual change approach on 9th grade students'achievement in the subject of fractions. With this aim, a worksheet, conceptual change text and a two-stage performance test on the subject of fractions were developed. Quasi-experimental research model was used in the study.…
Descriptors: Foreign Countries, High School Students, Grade 9, Mathematics Achievement
