NE João Fernando Sobral | Prof. Tiago Antonio Gomes
https://wordwall.net/pt/resource/21558025/matem%c3%a1tica/atividades-de-matem%c3%a1tica-soma
https://wordwall.net/pt/resource/11824829/soma-de-dados
https://wordwall.net/pt/resource/12500617/soma
https://www.digitar-online.com/
https://wordwall.net/play/91924/262/229
https://wordwall.net/play/33289/397/8468
https://wordwall.net/play/28590/408/446
https://wordwall.net/play/15332/216/1376
https://wordwall.net/play/91924/262/718
https://www.hypatiamat.com/multiplos/multiplosintro.html