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Using surfer to investigate algebraic surfaces

  • Autores: David Grünberg, Andreas Matt, Andrew Benzing (ed. lit.), Heather Lynn Johnson (ed. lit.), Steve Phelps (ed. lit.)
  • Localización: Mathematics teacher, ISSN-e 2330-0582, ISSN 0025-5769, Vol. 109, Nº 3, 2015, págs. 221-226
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • Children love sculpting clay or building sand castles, creating objects in three dimensions before they have the motor skills to draw in two dimensions. Play-doh® before drawing--this progression seems relevant to development of spatial sense (van de Walle 2006). Similar arguments applied to the study of curves and graphs in high school mathematics would suggest that students' work and calculation with shapes should move sequentially from concrete to more abstract thought (Carson and Rowlands 2007). We live in a three-dimensional world, and two-dimensional shapes are either a mathematical abstraction of reality or the projection of three-dimensional objects onto flat surfaces.


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