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Addition within 20 — Worksheet 15

Name: Date: Addition within 20 Solve each problem. 1. 5 + 7 =2. 7 + 6 =3. 5 + 10 =4. 15 + 2 =5. 2 + 7 =6. 7 + 5 =7. 2 + 14 =8. 5 + 5 =9. 3 + 17 =10. 15 + 5 =11. 6 + 1 =12. 8 + 1 =13. 7 + 2 =14. 12 + 1 =15. 10 + 4 =16. 10 + 6 =17. 2 + 13 =18. 11 + 2 =19. 4 + 2 =20. 14 + 5 = 12131517912161020207991314161513619 funchildren.com 1st Grade · Sheet #15