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Memnun, Dilek Sezgin; Sevindik, Fatma; Beklen, Canan; Dinç, Emre – World Journal of Education, 2019
This study aimed to analyze the abstraction process of twelve-grade students' continuity knowledge through the RBC+C abstraction model. With this aim, a semi-constructed interview was conducted with two twelfth-grade students and recorded with a video camera. Two different research problems were addressed in the interview, and the students were…
Descriptors: High School Students, Grade 12, Cognitive Processes, Abstract Reasoning
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Mula, Melinda; Hodnik, Tatjana – European Journal of Educational Research, 2020
This research study presents the PGBE model for teaching and learning percentages with students of Grade 7 when their cognitive development enables the conceptual understanding of percentages as proportional statements, and offers the possibility for more effective matching of them with fractions and decimal numbers. The abbreviation PGBE presents…
Descriptors: Mathematical Concepts, Knowledge Level, Teaching Methods, Instructional Effectiveness