Loading ad... MaribelMember for 4 years Age: 6-10 Level: 1º Language: Spanish (es) ID: 626133 11/01/2021 Country code: ES Country: Spain School subject: Matemáticas (1061956) Main content: Numeración (2013228) Números hasta el 39. Suma y resta de decenas. Other contents: SUMA Y RESTA Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...