Tienes 24 lápices, pero usas la cuarta parte para colorear. ¿Cuántos lápices te quedan?
Descripción didáctica: Este reto matemático, apropiado para alumnos de primaria (primer ciclo), involucra la comprensión de fracciones y operaciones básicas de resta. Se presenta un problema contextualizado con la manipulación de objetos concretos (lápices), facilitando la comprensión del concepto de fracción y su aplicación práctica. Los alumnos deben comprender que
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