GATTO, M. C.; SOARES, F.; DE SOUZA, H. M. THE GOLDEN MATERIAL AND THE TEACHING OF ADDITION AND SUBTRACTION: A REFLECTION FROM TEXTBOOKS . Seven Editora, [S. l.], p. 167–184, 2024. Disponível em: https://sevenpublicacoes.com.br/editora/article/view/6149. Acesso em: 22 dec. 2024.