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Gurbuz, M. Cagri; Ozdemir, M. Emin – World Journal of Education, 2020
The aim of this study was to examine 6th-grade students' mathematical abstraction processes related to the concept of variable by using the teaching experiment method and to reveal their learning trajectories in the context of the RBC+C model. A teaching experiment was administered to a class of 29 middle school students for 3 weeks. Observations,…
Descriptors: Mathematical Concepts, Grade 6, Middle School Students, Algebra
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Izsak, Andrew – Cognition and Instruction, 2008
The present study contrasts mathematical knowledge that two sixth-grade teachers apparently used when teaching fraction multiplication with the Connected Mathematics Project materials. The analysis concentrated on those tasks from the materials that use drawings to represent fractions as length or area quantities. Examining the two teachers'…
Descriptors: Mathematics Education, Mathematics Instruction, Grade 6, Teacher Attitudes