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Addition within 20 — Worksheet 18

Name: Date: Addition within 20 Solve each problem. 1. 7 + 8 =2. 9 + 3 =3. 13 + 4 =4. 12 + 2 =5. 3 + 10 =6. 7 + 7 =7. 4 + 8 =8. 10 + 1 =9. 15 + 4 =10. 14 + 3 =11. 3 + 13 =12. 5 + 14 =13. 4 + 10 =14. 4 + 4 =15. 13 + 2 =16. 6 + 6 =17. 15 + 2 =18. 13 + 6 =19. 10 + 9 =20. 7 + 12 = 151217141314121119171619148151217191919 funchildren.com 1st Grade · Sheet #18