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Addition within 20 — Worksheet 17

Name: Date: Addition within 20 Solve each problem. 1. 11 + 2 =2. 9 + 2 =3. 3 + 13 =4. 5 + 9 =5. 5 + 11 =6. 13 + 3 =7. 5 + 3 =8. 10 + 8 =9. 6 + 7 =10. 11 + 7 =11. 9 + 7 =12. 9 + 5 =13. 2 + 2 =14. 14 + 2 =15. 7 + 9 =16. 10 + 1 =17. 5 + 13 =18. 3 + 17 =19. 6 + 2 =20. 12 + 2 = 1311161416168181318161441616111820814 funchildren.com 1st Grade · Sheet #17