Number Words to 20

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Across
  1. 1. What is the number word for 12?
  2. 4. What is the number word for 15?
  3. 5. What is the number word for 17?
  4. 7. 2 + 3 =
  5. 8. What is the number word for 16?
  6. 10. What is the number word for 11?
  7. 12. What is the number word for 14?
  8. 13. What is the number word for 13?
  9. 16. 5 + 5 =
  10. 17. 6 - 2 =
  11. 18. What is the number word for 18?
Down
  1. 2. 6 + 2 =
  2. 3. What is the number word for 19?
  3. 5. 9 - 2 =
  4. 6. 12 - 6 =
  5. 9. What is the number word for 20?
  6. 11. 3 + 9 =
  7. 12. 8 - 4 =
  8. 14. 1 + 2 =
  9. 15. 4 - 3 =