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Download full textKaradeniz, Mihriban Hacisalihoglu; Karahan, Ahmet – Journal of Inquiry Based Activities, 2020
This paper introduces a percentage activity based on the context of "Black Friday" discounts. The aim of the study was to reveal the existing and new conceptions of the 7th grade students regarding the topic of percentage calculation. The activity was designed considering the students' prior knowledge in the concept of "Ratio and…
Descriptors: Mathematical Concepts, Mathematics Activities, Consumer Education, Computation
Nurnberger-Haag, Julie; Kratky, Joseph; Karpinski, Aryn C. – International Electronic Journal of Mathematics Education, 2022
Skills and understanding of operations with negative numbers, which are typically taught in middle school, are crucial aspects of numerical competence necessary for all subsequent mathematics. To more swiftly and coherently develop the field's understanding of how to foster this critical competence, we need shared measures that allow us to compare…
Descriptors: Numbers, Number Concepts, Middle School Students, Secondary School Mathematics
