Diagnosing Teacher Knowledge: A New Model Attributes Attribute Document in DTMR The Diagnosing Teachers Multiplicative Reasoning
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چکیده
Attributes Attribute Document in DTMR The Diagnosing Teachers Multiplicative Reasoning Project (DTMR Project) is an exploratory project working to assess teachers’ reasoning about multiplicative relations among quantities. The domain of multiplicative reasoning includes operations with fractions, decimals, ratios, percents, proportions, linear functions and more advanced topics. These topics are often taught discretely as separate units, however, Vernaud (1983, 1988) suggests they form an interconnected set of conceptual ideas. Multiplicative conceptual field is the term coined by Vergnaud and used by mathematics educators to refer to the domain of multiplicative reasoning and the connectedness of the topics within that domain.
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