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Direct linkKieran, Carolyn; Martínez-Hernández, Cesar – ZDM: Mathematics Education, 2022
"They are the same" is a phrase that teachers often hear from their students in arithmetic and algebra. But what do students mean when they say this? The present paper researches the notion of sameness within algebraic thinking in the context of generating equivalent numerical equalities. A group of Grade 6 Mexican students (10- to…
Descriptors: Mathematical Concepts, Algebra, Equations (Mathematics), Arithmetic
Zorin, Barbara – ProQuest LLC, 2011
This study analyzed treatment of geometric transformations in presently available middle grades (6, 7, 8) student mathematics textbooks. Fourteen textbooks from four widely used textbook series were evaluated: two mainline publisher series, Pearson (Prentice Hall) and Glencoe (Math Connects); one National Science Foundation (NSF) funded curriculum…
Descriptors: Textbooks, Transformations (Mathematics), Geometric Concepts, Middle Schools
