Eliza's counts

• Autores: Jane P. Moore
• Localización: Teaching Children Mathematics, ISSN 1073-5836, Vol. 18, Nº 4, 2011, págs. 272-273
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • This teacher explored how young students build understanding of number operations and what strategies they naturally choose--without prompts or modeling--to recognize distinctions and adjust solution methods among different problem types involving addition and subtraction; joining problems, result unknown; and compared set, difference unknown.

    Online extra: http://nctm.org/tcm005