Across
- 2. (4) – The fourth number, one more than three. (Note: "Foor" seems to be a typo for "Four.")
- 4. (30) – Three sets of ten.
- 7. (70) – Seven sets of ten.
- 8. (8) – The eighth number, one more than seven.
- 9. (40) – Four sets of ten.
- 13. (6) – The sixth number, one more than five.
- 14. (3) – The third number, representing a group of three.
- 16. (11) – The number after ten, made of one and one.
- 17. (2) – The second number, representing a pair.
- 18. (1,000,000,000) – One thousand sets of one million.
- 19. (7) – The seventh number, one more than six.
Down
- 1. (100) – Ten sets of ten.
- 2. (50) – Five sets of ten.
- 3. (9) – The ninth number, one more than eight.
- 5. (20) – Two sets of ten.
- 6. (1,000) – Ten sets of one hundred.
- 10. (1) – The first number, a single unit.
- 11. (1,000,000) – One thousand sets of one thousand.
- 12. (5) – The fifth number, half of ten.
- 14. (10) – The tenth number, the base of our counting system.
- 15. (12) – The number after eleven, often used in time (12 hours).
