| Table of contents Educ. mat. vol.27 n.2 Ciudad de México Aug. 2015 Editorial | | | | · Editorial
| | | Research articles | | | | · Mathematical objects linked to Regression in High School textbooks Batanero, Carmen; Gea, M. Magdalena; Díaz-Levicoy, Danilo; Cañadas, Gustavo R.
| | | | · To recognize and refine personal meanings addressing an error: the case of the Point Localization Theorem Molina, Óscar; Perry, Patricia; Camargo, Leonor; Samper, Carmen
| | | | · The role of arithmetic problems analysis in teachers service training Papini, Cecilia
| | | | · Construction and mental mechanisms for learning matrix theorem associated with a linear transformation Trigueros Gaisman, María; Maturana Peña, Isabel; Parraguez González, Marcela; Rodríguez Jara, Miguel
| | | Contributions to education | | | | · Rule of signs of the multiplication: a proposal didactic Chan Domínguez, José Benjamín; Uicab Ballote, Genny Rocío
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