Across
- 3. the 10th month of the year
- 6. a person who is between 80 and 89 years old
- 8. one part in a hundred : an amount that is equal to one one-hundredth of something
- 9. a 200th anniversary or its celebration
- 10. a sea animal that has a soft body and eight long arms
- 11. a person who is 100 years old or older
Down
- 1. a song or piece of music performed by eight singers or musicians
- 2. a measurement of temperature; another term for Celsius
- 3. a flat shape that has eight sides and eight angles
- 4. the difference in sound between the first and eighth note on a musical scale
- 5. a length equal to one hundredth of a meter
- 7. a period of 100 years