Rojas Maldonado, E.R. and Toscano Galeana, J. 2021. Instrument for evaluating prior mathematical knowledge for the teaching of Limit concept during the SARS-CoV-2 pandemic. RIDE Revista Iberoamericana para la Investigación y el Desarrollo Educativo. 11, 22 (May 2021). DOI:https://doi.org/10.23913/ride.v11i22.953.