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Addition within 20 — Worksheet 10

Name: Date: Addition within 20 Solve each problem. 1. 9 + 11 =2. 11 + 8 =3. 8 + 6 =4. 4 + 2 =5. 2 + 18 =6. 14 + 1 =7. 7 + 6 =8. 8 + 12 =9. 6 + 12 =10. 15 + 1 =11. 7 + 10 =12. 9 + 6 =13. 6 + 5 =14. 7 + 7 =15. 2 + 10 =16. 2 + 2 =17. 4 + 3 =18. 3 + 3 =19. 12 + 4 =20. 7 + 9 = 201914620151320181617151114124761616 funchildren.com 1st Grade · Sheet #10