Number Crossword

12345678
Across
  1. 3. This number is one less than six.
  2. 5. This number is one less than nineteen.
  3. 7. This number is five more than fifteen.
  4. 8. This number is three more than four.
Down
  1. 1. This number is two more than twelve.
  2. 2. This number is one more than seven.
  3. 4. This number is two more than nine.
  4. 6. This number is one less than ten.
  5. 7. This number is two more than one.