numbers

1234567
Across
  1. 2. comes after one
  2. 3. "v" in roman numerals
  3. 4. three times two
  4. 5. comes before four
  5. 7. three squared
Down
  1. 1. between seven and nine
  2. 2. first double digit number
  3. 4. rhymes with heaven
  4. 6. only