numbers crossword puzzle

12345678910111213141516171819202122232425262728
Across
  1. 2. before all others
  2. 5. number expressed in the form a/b
  3. 7. repetition of the same twice
  4. 8. what year is it?
  5. 9. indicates rank or position
  6. 13. six times four
  7. 17. means ante meridiem
  8. 18. ten times one hundred
  9. 19. half of seventy
  10. 21. one thousand million
  11. 22. ten times ten
  12. 24. value that indicates null quantity
  13. 26. do not confuse with fifty
  14. 27. means "nothing"
  15. 28. 12:00 pm
Down
  1. 1. the second month in a year
  2. 3. sixteen plus one
  3. 4. same time as 2:15
  4. 6. one fourth
  5. 10. next after the second
  6. 11. mathematical unit used to count
  7. 12. the tenth month in a year
  8. 14. repetition of the same three times
  9. 15. before the sixth
  10. 16. time exactly between ten and eleven
  11. 18. do not confuse with thirteen
  12. 20. how Americans refer to 11/09/2001
  13. 23. before the twelfth
  14. 25. one followed by six zeros