Reasoning about quantities that change together

• Autores: Heather Lynn Johnson, Margaret Kinzel (ed. lit.), Laurie O. Cavey (ed. lit.)
• Localización: Mathematics teacher, ISSN-e 2330-0582, ISSN 0025-5769, Vol. 106, Nº 9, 2013, págs. 704-708
• Idioma: inglés
• DOI: 10.5951/mathteacher.106.9.0704
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• Resumen

  • This article explores quantitative reasoning used by students working on a bottle- filling task. Two forms of reasoning are highlighted: simultaneous-independent reasoning and change-dependent reasoning.