Abstract
Everyday Mathematics has contributed in important ways to long-standing debates about mathematical concepts, symbolic representation, and the role of contexts in thinking—the latter topic reaching back at least as far as Kant’s notion of scheme. The descriptive work plays a role, of course. But it is only by making sense of the observations that science moves forward. If over time the expression Everyday Mathematics drops from usage, I would be neither surprised nor disappointed. Eventually the field needs to become absorbed into the mainstream traditions of research in mathematics education. However it would be disappointing if it is remembered only for its descriptive and proscriptive aspects, without recognizing the contributions to research, theory, and the cultural context of learning and thinking.
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Notes
A quarter of the children repeated first grade; another quarter dropped out of school.
The majority of students from middle class on up attended private schools.
The investigation of school failure was carried out before the first street vendor study; it was published after it, however.
In fairness, I don’t believe that the authors fall into this trap in their section, “What is ‘real’ mathematics?” Their use of single quotation around the word real serves to distance them from the remarks made by supermarket shoppers.
The expression, “real number line” denotes not a number line that is real but instead a line on which the “real numbers” are located.
A place value number systems assigns values to each digit based on its left-to-right location along a string of digits. That is why the strings 253, 235, 523, 532, 325 and 352 represent unique values even though the digits are the same in each case.
Note that this law says nothing about procedures for adding two numbers. A + B = B + A is not a method.
They are the Field Axioms or more correctly, the commutative ring axioms (Bass 2008).
By semi-invented I mean those algorithms that are an amalgam of introduced conventions and the student’s own fashioning.
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Carraher, D.W. Beyond ‘blaming the victim’ and ‘standing in awe of noble savages’: a response to “Revisiting Lave’s ‘cognition in practice’”. Educ Stud Math 69, 23–32 (2008). https://doi.org/10.1007/s10649-008-9126-4
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DOI: https://doi.org/10.1007/s10649-008-9126-4