This article is based on research in which the three authors participated. The main objective is to identify, describe and analyze the practices of using digital tools and platforms for teaching mathematics in lower secondary education. Framed within a set of ICT policies promoted since 2007 by Plan CEIBAL in Uruguay, a mixed study was conducted, 176 teachers participated in a digital survey, and 15 of the participants were interviewed. Among the study’s main results, it is worth mentioning that mathematics teachers reported a low-frequency use of digital tools and platforms, and mainly an instrumental use of digital technology. It is necessary to foster and boost the development of best practices on the use of digital tools with pedagogical meaning in the context of teacher education degree courses through more prescriptive proposals that give meaning to innovation.
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