Educ. mat. - vol.33 issue3

Table of contents
Educ. mat. vol.33 n.3 Ciudad de México Dec. 2021

Editorial

	· Editorial Consejo directivo de REM · text in Spanish · Spanish ( pdf )

Research articles

	· The role of representations on the GeoGebra screen in classroom math work. Collaborative research on function teaching in Secondary School Andrés, Marina; Coronel, María Teresa; Rico, Enrique Di; Luna, Juan Pablo; Sessa, Carmen · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Genetic decomposition as a frame of reference for a priori analysis of activities Franco Carzolio, Gustavo Daniel; Olave Baggi, Mónica Isabel; Rosas Mendoza, Alejandro Miguel · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Analysis of the art-mathematics conexion in elementary school textbooks Blanco, Teresa F.; González-Roel, Valeria; Diego-Mantecón, José-Manuel; Ortiz-Laso, Zaira · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Meanings of the natural number in Mexican textbooks: a descriptive análisis Morales-Garcia, Lizzet; Navarro Sandoval, Catalina; Díaz-Levicoy, Danilo · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· State of the art of didactic knowledge on the concept of vector space Can Cabrera, Angel F.; Sánchez Aguilar, Mario; Trigueros, María · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Study of the meanings for teaching that teachers have about the slope concept Sánchez Santiesteban, José Luis; Cruz Ramírez, Miguel; Dolores Flores, Crisólogo; Sigarreta Almira, José María · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· The financial education as a practice of individual financial autonomy in basic school Nemos, Camila Labres; Duro, Mariana Lima; Fogliarini Filha, Cláudia Brum de Oliveira · abstract in English \| Portuguese · text in Portuguese · Portuguese ( pdf )

	· Resignification of the trigonometric ratio in first-year Engineering students Torres-Corrales, Diana del Carmen; Montiel-Espinosa, Gisela · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Mathematical work of university professors: Heuristics solving of task Henríquez-Rivas, Carolina; Guerrero-Ortiz, Carolina; Ávila Barrera, Andrés · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Semiotic conflicts and levels of algebrization in engineering candidates Larios Osorio, Víctor; Spíndola Yáñez, Patricia Isabel; Cuevas Salazar, Omar; Castro, Jesús Jerónimo · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

Essays

	· The “nothingness” as source and existence in mathematics education Reyes-Santander, Pamela; Brandl, Matthias · abstract in Spanish · text in Spanish · Spanish ( pdf )