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Addition within 20 — Worksheet 9

Name: Date: Addition within 20 Solve each problem. 1. 4 + 14 =2. 3 + 14 =3. 12 + 6 =4. 5 + 14 =5. 3 + 11 =6. 11 + 6 =7. 5 + 15 =8. 6 + 11 =9. 10 + 4 =10. 9 + 10 =11. 14 + 3 =12. 14 + 2 =13. 11 + 4 =14. 2 + 16 =15. 4 + 9 =16. 8 + 1 =17. 13 + 5 =18. 4 + 2 =19. 8 + 4 =20. 11 + 3 = 18171819141720171419171615181391861214 funchildren.com 1st Grade · Sheet #9