Loading ad... BegoñaMember for 4 years Age: 10-12 Level: TERCER CICLO Language: Spanish (es) ID: 159522 06/05/2020 Country code: ES Country: Spain School subject: Matemáticas (1061956) Main content: Cálculo mental (2013175) Usar estrategia la mitad de la mitad Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...