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Direct linkWalter F. Castro; Jose Wilde Cisneros; Rodolfo Vergel – Discover Education, 2025
Introduction: In this paper, we present how seventh-grade students become aware of rational numbers during mathematics instruction through the social process of objectification when comparing two magnitudes. Methods: Theoretical elements of the Theory of Objectification and the Onto-Semiotic Approach to Mathematical Instruction and Cognition guide…
Descriptors: Instructional Design, Program Implementation, Measurement, Number Concepts
Download full textGaret, Michael S.; Wayne, Andrew J.; Stancavage, Fran; Taylor, James; Eaton, Marian; Walters, Kirk; Song, Mengli; Brown, Seth; Hurlburt, Steven; Zhu, Pei; Sepanik, Susan; Doolittle, Fred – National Center for Education Evaluation and Regional Assistance, 2011
This is the second and final report of the Middle School Mathematics Professional Development Impact Study, which examines the impact of providing a professional development (PD) program in rational number topics to seventh-grade mathematics teachers. An interim report (Garet et al. 2010) described the findings after one year of PD. The current…
Descriptors: Middle School Teachers, Mathematics Teachers, Faculty Development, Inservice Teacher Education
