Loading ad... SergeiMember for 2 years 8 months Age: 7-10 Level: 4 Language: English (en) ID: 1426672 22/09/2021 Country code: TH Country: Thailand School subject: Math (1061955) Main content: Addition (2026381) From worksheet author: test review Other contents: subtraction Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...