GATTO, Marcia Cristina; SOARES, Fabrício; DE SOUZA, Helenara Machado. 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://sevenpubl.com.br/editora/article/view/6149. Acesso em: 21 aug. 2025.