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Tiryaki, Aydin; Cakmak, Devrim – International Journal of Mathematical Education in Science and Technology, 2010
In this article, by using Rolle's theorem, we establish some results related to the mean value theorem for integrals. Our results are different from the set of integral mean value theorems which are given by Wayment ["An integral mean value theorem", Math. Gazette 54 (1970), pp. 300-301] and Sahoo ["Some results related to the integral mean value…
Descriptors: Mathematical Logic, Validity, Mathematical Applications, Mathematical Models
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Depaepe, Fien; De Corte, Erik; Verschaffel, Lieven – Teaching and Teacher Education: An International Journal of Research and Studies, 2010
This contribution reports about a seven-month long video-based study in two regular Flemish sixth-grade mathematics classrooms. The focus is on teachers' approaches towards problem solving. In our analysis we distinguished between a paradigmatic-oriented (focus on the mathematical structure) and a narrative-oriented (focus on the contextual…
Descriptors: Problem Solving, Word Problems (Mathematics), Mathematics Instruction, Teaching Methods