SUMMARY
Objective: To validate the results obtained in the application of the didactic strategy for the improvement of the understanding of the mathematical contents in non-Spanish-speaking students of the preparatory course of the Latin American School of Medicine.Materials and methods: A descriptive observational study was carried out with non-Spanish-speaking students of the preparatory course and mathematics teachers from the 2016-17 academic year to December 2018. Theoretical, empirical and statistical methods were used to define concepts, operationalize and measure variables, summarize, characterize students and teachers according to indicators and assess the results.Results: A definition was obtained for the understanding of mathematical content and for its levels, an instrument for the initial diagnosis that measures mastery of mathematical content and levels of understanding, teaching tasks for different levels, an interactive glossary of terms and worksheets. work with voice, the WebMate department website, four discussion forums, updating of methodological documents, a didactic strategy with actions for teachers, students and group according to type of classes, instruments to evaluate the strategy in students and teachers. Participation in national and international events and 14 publications were made with the main results in impact reports and journalsand 7 teachers changed their teaching category.Key words: didactic strategy comprensin, content, mathematical comprension.