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Direct linkKertil, Mahmut; Erbas, Ayhan Kursat; Cetinkaya, Bulent – International Journal of Science and Mathematics Education, 2023
This study examined a cohort of middle school pre-service mathematics teachers' understanding of the rate of change as they engaged in a model development sequence. By adopting a design-based research perspective, a model development sequence on the concept of rate of change has been designed and implemented as part of a mathematical modeling…
Descriptors: Preservice Teachers, Mathematics Teachers, Middle School Mathematics, Mathematics Instruction
Download full textMikeska, Jamie N.; Phelps, Geoffrey; Croft, Andrew J. – ETS Research Report Series, 2017
This report describes efforts by a group of science teachers, teacher educators, researchers, and content specialists to conceptualize, develop, and pilot practice-based assessment items designed to measure elementary science teachers' content knowledge for teaching (CKT). The report documents the framework used to specify the content-specific…
Descriptors: Elementary School Teachers, Science Teachers, Knowledge Base for Teaching, Test Items
