Literaturnachweis - Detailanzeige
| Autor/inn/en | Callingham, Rosemary; Watson, Jane |
|---|---|
| Titel | A Developmental Scale of Mental Computation with Part-Whole Numbers |
| Quelle | In: Mathematics Education Research Journal, 16 (2004) 2, S.69-86 (18 Seiten)Infoseite zur Zeitschrift
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| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1033-2170 |
| Schlagwörter | Mental Computation; Competence; Arithmetic; Mathematical Concepts; Performance; Foreign Countries; Models; Measures (Individuals); Elementary School Students; Secondary School Students; Mathematics Curriculum; Mathematics Tests; Cognitive Processes; Age Differences; Australia |
| Abstract | In this article, data from a study of the mental computation competence of students in grades 3 to 10 are presented. Students responded to mental computation items, presented orally, that included operations applied to fractions, decimals and percents. The data were analysed using Rasch modelling techniques, and a six-level hierarchy of part-whole computation was identified. This hierarchy is described in terms of the three different representations of part-whole reasoning--fraction, decimal, and percent--and is elaborated by a consideration of the likely cognitive demands of the items. Discussion includes reasons for the relative difficulties of the items, performance across grades and directions for future research. (Contains 2 tables and 3 figures.) (Author). |
| Anmerkungen | Mathematics Education Research Group of Australasia. MERGA-GPO Box 2747, Adelaide, South Australia 5001, Australia. Web Site: http://www.merga.net.au/ |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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