• El concepto de pendiente: estado de la investigación y prospectivas. 

      Abreu Blaya, Ricardo; Dolores-Flores, Crisólogo; Sanchez Santiesteban, Jose Luis; Sigarreta, José M. (NÚMEROS, Revista de Didáctica de las Matemáticas., 2020-03)
      In the last two decades there has been a proliferation of research on the concept of slope which, while mostly concerned with the theoretical study of conceptualizations, through them also addressed the structuring of ...
    • Recursos heurísticos para la actividad de enseñanza de las transformaciones geométricas en el nivel preuniversitario. 

      Morales Carballo, Armando; Locia Espinoza, Edgardo; Salmerón Merino, Petra (Revista Científico Pedagógica, 2016-01)
      This article describes a teaching strategy to promote education planning isometric transformation: translation, in the pre-university level. The methodological theoretical framework that underpins the work fall on the ...
    • The Theoretical didactic approach to the counterexample in mathematics. 

      Morales Carballo, Armando; Locia Espinoza, Edgardo; Ramirez Barragan, Melvis (International Journal of Research in Education Methodology, 2018-01)
      This article describes a theoretical-didactic approach to the counterexample within mathematics and its process of teaching-learning, emphasizing the importance of inducing a logical thinking by introducing counterexamples ...