Arithmetic and manipulable objects: a methodological proposal for the early years of elementary school. Research, Society and Development, [S. l.], v. 9, n. 6, p. e153962579, 2020. DOI: 10.33448/rsd-v9i6.2579. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/2579. Acesso em: 29 jun. 2025.