| Table of contents Relime vol.12 n.2 Ciudad de México Jul. 2009 Editorial | | | | · Identity and development: Mathematics Education and Relime Cantoral, Ricardo
| | | Articles | | | | · Semiotic conflicts of mexican students for a problem of comparison of ordinal data Mayen, Silvia; Batanero, Carmen; Díaz, Carmen
| | | | · Methodological considerations for interpretation of interactions in the mathematics classroom Planas, Nuria; Iranzo, Nuria
| | | | · Brain, cognition and mathematics Radford, Luis; André, Mélanie
| | | | · Teacher knowledge and teaching in Panama and Costa Rica: A comparative study in Primary and Secondary education Sorto, M. Alejandra; Marshall, Jeffery H.; Luschei, Thomas F.; Martin, Carnoy
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