Rodríguez-García, V.L.G. and Reye-Meza, O.B. 2022. Development of mathematical skills at the cognitive level of basic general education students. International research journal of management, IT and social sciences. 9, 4 (Jun. 2022), 514–523. DOI:https://doi.org/10.21744/irjmis.v9n4.2112.