How to "Check the Result"? Discourse Revisited
IJMEST Volume 36, Number 4, ISSN 0020-739X
The problem of comparison of answers in trigonometric equations arises frequently when different solution strategies are encouraged in the classroom. This paper shows how such a problem can be put in context structured by classic and contemporary perspectives on teaching problem solving, including the use of technology.
Abramovich, S. (2005). How to "Check the Result"? Discourse Revisited. International Journal of Mathematical Education in Science and Technology, 36(4), 414-423.
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Sergei Abramovich, State University of New York at Potsdam, United States; Amos Ehrlich, Tel Aviv University, Israel
Journal of Computers in Mathematics and Science Teaching Vol. 26, No. 3 (July 2007) pp. 181–196
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