Across
- 4. 8 sides
- 6. base 10
- 10. 8 notes
- 13. the ninth month of the year
- 14. the month we celebrate Thanksgiving
- 16. an insect with 100 legs or more
- 17. pertaining to a 100th anniversary.
- 18. occurring or returning once a year
- 19. a metric unit of length, equal to one hundredth of a meter.
- 20. 100 years
Down
- 1. 10 years
- 2. the twelfth month
- 3. 8 tentacles
- 5. the month to celebrate Halloween
- 7. one one-hundredth part; 1/100.
- 8. nine sides and nine angles
- 9. 7 kids at once
- 11. lasting for an indefinitely long time; enduring
- 12. proceeding by 10
- 15. an athletic event