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Direct linkJohnson, Heather Lynn – Mathematical Thinking and Learning: An International Journal, 2015
Contributing to a growing body of research addressing secondary students' quantitative and covariational reasoning, the multiple case study reported in this article investigated secondary students' quantification of ratio and rate. This article reports results from a study investigating students' quantification of rate and ratio as…
Descriptors: Secondary School Students, Mathematical Concepts, Logical Thinking, Case Studies
Johnson, Heather Lynn; Blume, Glendon W.; Shimizu, Jeanne K.; Graysay, Duane; Konnova, Svetlana – Mathematical Thinking and Learning: An International Journal, 2014
To contribute to an understanding of the nature of teachers' mathematical knowledge and its role in teaching, the case study reported in this article investigated a teacher's conception of a metamathematical concept, definition, and her use of examples in doing and teaching mathematics. Using an enactivist perspective on mathematical…
Descriptors: Beginning Teachers, Mathematics Teachers, Mathematics Instruction, Pedagogical Content Knowledge
