Educ. mat. - vol.29 issue2

Table of contents
Educ. mat. vol.29 n.2 Ciudad de México Aug. 2017

Editorial

	· Editorial · text in Spanish · Spanish ( pdf )

Research articles

	· How do Six to Nine Year-old Children Understand Geometrical Shapes Bernabeu, Melania; Llinares, Salvador · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Mathematization and Mathematical Work in Creating Simulators with GeoGebra Gutiérrez A., Rafael E.; Prieto G., Juan Luis; Ortiz Buitrago, José · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Intertextuality about Negative Numbers in Elementary School's Children: An Historical Approach Gallardo Cabello, Aurora; Mejía Rodríguez, José Luis; Saavedra Mercado, Gil Arturo · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· A Math Class about Word Problems in a one-room School. A Case Study Reséndiz, Laura; Block, David; Carrillo, José · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Stability and conceptual change about rate of change Dolores Flores, Crisólogo; García-García, Javier; Gálvez-Pacheco, Angélica · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Analysis of the Strategies Used by Talent Students, 12 to 14 Years-old, to Solve Mathematics Problem Rodríguez, Miguel; Gregori, Pablo; Riveros, Ana; Aceituno, David · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Contributions to education

	· Identification of Strategies Used by Undergraduate Students in a Two-player Game González Peralta, Angelina G.; Molina Zavaleta, Juan Gabriel; Sánchez Aguilar, Mario · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Number Theory in Upper Secondary Education: Some Less Conventional Possibilities Mello, José Luiz Pastore · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )