Fluency with basic addition

• Autores: Gina Kling
• Localización: Teaching Children Mathematics, ISSN 1073-5836, Vol. 18, Nº 2, 2011, págs. 80-88
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Applying known facts to derive unknown facts results in efficiency, flexibility, and an understanding of number combinations for young students. Online extra: http://nctm.org/uploadedFiles/Journals_and_Books/TCM/articles/2011-Vol18/Extras-2011-Vol18/tcm2011-09-80z1.pdf