Across
- 3. period of ten years
- 7. shape with five sides
- 8. group of four musicians or singers
- 10. two hundredth anniversary
- 14. amount out of one hundred
- 16. four babies born at the same time
- 17. group of eight musicians or singers
- 18. multiply by four
- 19. series of eight musical notes
- 20. one of four equal parts
Down
- 1. shape with four sides
- 2. shape with eight sides
- 4. number system based on ten
- 5. animal with four legs
- 6. unit of length equal to one hundredth of a metre
- 8. group of five performers
- 9. five babies born at the same time
- 11. one hundredth anniversary
- 12. period of one hundred years
- 13. sporting event with ten contests
- 15. perfect example of something