Loading ad... MarMember for 4 years Age: 6-11 Level: grade 1 Language: Catalan (ca) ID: 208388 19/05/2020 Country code: ES Country: Spain School subject: Matemàtiques (1061924) Main content: Càlcul mental (2012876) From worksheet author: Càlcul mental. Other contents: Càlcul fins al 99 Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...