Repaso calculo mental-sumas
https://wordwall.net/es/resource/26224750/sumas/suma-3-d%c3%adgitos
https://wordwall.net/es/resource/26226593/sumas/qu%c3%a9-n%c3%bamero-falta
https://wordwall.net/es/resource/26225894/sumas/sumas
https://wordwall.net/es/resource/22175915/sumas