| Table of contents Relime vol.18 n.2 Ciudad de México Jul. 2015 Editorial | | | | · A latin american view on ethnomathematics: tensions and challenges Peña-Rincón, Pilar; Tamayo-Osorio, Carolina; Parra, Aldo
| | | Articles | | | | · Geomtric reasoning vs. definition of concepts: the definition of square with 6th grade students Aires, Ana Paula; Campos, Helena; Poças, Ricardo
| | | | · Analysis of the historical and philosophical antecedents of "Duval's cognitive paradox" D'Amore, Bruno; Pinilla, Martha Fandiño; Iori, Maura; Matteuzzi, Maurizio
| | | | · The strategies used by Children Tee Savi in solving arithmetic problems García-García, Javier; Rodríguez, Flor M.; Navarro, Catalina
| | | | · The impact of the didactic functions topogénesis, mesogénesis y cronogénesis in a Research and Study Paths (RSP): The case of the polynomial functions of the second degree Llanos, Viviana Carolina; Otero, María Rita
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