de Moraes, U.C., Azevedo, V.L.A., Vieira, M.M. da S. and Abar, C.A.A.P. 2021. Trilhas de aprendizagem no ensino da matemática: Ambiente virtual organizando a aula invertida / Learning trails in mathematics teaching: Virtual environment organizing the flipped classroom. Brazilian Journal of Development. 7, 4 (May 2021), 43704–43711. DOI:https://doi.org/10.34117/bjdv7n4-704.