Spanish numbers

1234567891011121314151617181920
Across
  1. 3. twenty five
  2. 4. six
  3. 6. zero
  4. 7. a dozen
  5. 11. one million
  6. 12. a popular card game
  7. 14. 14+15-5
  8. 15. the number before forty
  9. 17. 10x7+3
  10. 18. 7x8
  11. 19. thirty
  12. 20. 4+4
Down
  1. 1. a full turn in degrees
  2. 2. half of thirty
  3. 5. this year
  4. 8. five hundred
  5. 9. forty
  6. 10. one century
  7. 13. number of days in a week
  8. 16. the only even prime number