Across
- 1. a 5-sided shape
- 7. a stanza of 8 lines
- 9. 10 years
- 12. the perfect example
- 13. the 200th anniversary
- 14. 5 children in one birth
- 15. a group of four people
- 16. 4 children in one birth
- 17. another term for Celsius
- 18. 100 years
Down
- 1. a rate out of 100
- 2. increase by 4 times the original
- 3. a group of 8 people
- 4. a group of five people
- 5. competition with 10 events
- 6. an animal with 4 legs
- 8. an 8-sided shape
- 10. a 100th of a metre
- 11. to wipe out every tenth person
- 12. one 4th of something