Loading ad... NLLMember for 3 years 5 months Age: 5-10 Level: Primero de Primaria Language: Spanish (es) ID: 717950 12/02/2021 Country code: ES Country: Spain School subject: Matemáticas (1061956) Main content: Sumas (2013192) Inicio de la suma de tres números de una cifra. Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...