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On Fractions and Non-Standard Representations: Pre-Service Teachers' Concepts.
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Khoury, Helen A.; Zazkis, Rina – Educational Studies in Mathematics, 1994
Investigated (n=124) preservice school teachers' reasoning and concepts of invariance of fractional numbers under numeration systems in different bases. The majority of students believed that fractions change their numerical value under different symbolic representations. (Author/MKR)
Descriptors: Cognitive Style, College Students, Elementary Secondary Education, Fractions