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Addition within 20 — Worksheet 8

Name: Date: Addition within 20 Solve each problem. 1. 4 + 11 =2. 6 + 10 =3. 10 + 5 =4. 13 + 2 =5. 9 + 1 =6. 9 + 3 =7. 4 + 16 =8. 11 + 1 =9. 3 + 1 =10. 9 + 5 =11. 12 + 7 =12. 2 + 9 =13. 7 + 7 =14. 6 + 8 =15. 3 + 15 =16. 6 + 11 =17. 14 + 4 =18. 11 + 7 =19. 11 + 3 =20. 5 + 2 = 15161515101220124141911141418171818147 funchildren.com 1st Grade · Sheet #8