Conocimiento especializado del profesor de matemáticas sobre la división de fracciones en el contexto de la formulación de problemas
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Formulación del Problema, Conocimientos Docentes Especializados, División de FraccionesResumen
Este trabajo tiene como objetivo presentar los conocimientos especializados revelados por profesores de matemáticas a través de una tarea formativa relativa a la formulación de problemas de división de fracciones. El estudio trata de una investigación cualitativa combinada con un estudio de caso. Los análisis se basaron en las producciones de los profesores y en discusiones plenarias durante la formación. Los resultados muestran que los docentes tienen conocimientos respecto al significado de compartir, resolución de problemas mediante el algoritmo inversión-multiplicación y representación continua en forma rectangular. Sin embargo, los docentes presentan dificultades en cuanto al sentido de la medición de la división, la representación continua y discreta y la formulación de problemas, especialmente cuando el divisor y el dividendo son fracciones. Está claro que formular problemas contribuye al aprendizaje de la división de fracciones, ya que ayuda a comprender conceptos matemáticos y resolver problemas.
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