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Direct linkWhitacre, Ian – Journal of Mathematics Teacher Education, 2015
This study investigated the sets of mental computation strategies used by prospective elementary teachers to compute sums and differences of whole numbers. In the context of an intervention designed to improve the number sense of prospective elementary teachers, participants were interviewed pre/post, and their mental computation strategies were…
Descriptors: Preservice Teachers, Mental Computation, Elementary Education, Numbers
Whitacre, Ian; Nickerson, Susan D. – Journal of Mathematics Teacher Education, 2016
We report on interview results from a classroom teaching experiment in a Number and Operations course for prospective elementary teachers. Improving the number sense of this population is an important goal for mathematics teacher education, and researchers have found this goal to be difficult to accomplish. In earlier work, we devised a local…
Descriptors: Interviews, Elementary School Teachers, Preservice Teachers, Numbers
Download full textWhitacre, Ian; Nickerson, Susan D. – North American Chapter of the International Group for the Psychology of Mathematics Education, 2011
We report on results of a classroom teaching experiment in a mathematics content course for prospective elementary teachers. A local instruction theory for the development of number sense, which was previously applied to whole-number mental computation, was extended to inform instruction concerning reasoning about fraction magnitude. We found that…
Descriptors: Preservice Teachers, Elementary School Teachers, Mathematical Logic, Fractions
