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Addition within 20 — Worksheet 6

Name: Date: Addition within 20 Solve each problem. 1. 9 + 1 =2. 11 + 2 =3. 2 + 17 =4. 15 + 2 =5. 2 + 1 =6. 8 + 10 =7. 10 + 5 =8. 7 + 3 =9. 15 + 5 =10. 5 + 15 =11. 13 + 7 =12. 11 + 9 =13. 5 + 9 =14. 4 + 5 =15. 4 + 14 =16. 7 + 8 =17. 10 + 9 =18. 9 + 10 =19. 11 + 6 =20. 5 + 13 = 10131917318151020202020149181519191718 funchildren.com 1st Grade · Sheet #6