Across
- 2. twelve
- 4. four hundred
- 7. five hundred fifty
- 10. two
- 11. seven thousand
- 13. eighteen
- 16. seventy-five
- 18. eight thousand
- 19. ninety
- 20. one thousand
- 21. billion
- 22. zero
- 23. (one) million
Down
- 1. three hundred forty-seven
- 3. ninety-nine
- 5. eighty
- 6. eleven
- 8. one
- 9. fifteen
- 12. seventeen
- 14. twenty-one
- 15. hundred
- 17. thirteen