Numbers

123456789101112131415161718
Across
  1. 1. two
  2. 2. four
  3. 4. eight
  4. 6. five
  5. 9. twenty
  6. 11. twelve
  7. 12. nineteen
  8. 14. eighteen
  9. 15. nine
  10. 17. eleven
  11. 18. seven
Down
  1. 1. three
  2. 3. fourteen
  3. 5. thirteen
  4. 7. sixteen
  5. 8. seventeen
  6. 10. ten
  7. 13. fifteen
  8. 16. one
  9. 18. six