Across
- 3. the age you can drink legally
- 4. in some places if you are this age you are an adult
- 9. one year from twenty, one year ahead of 18
- 10. my age
- 12. Lucas gram
- 13. 13+2
Down
- 1. card game
- 2. 4 times 10-3+3 divide by 10 times 10 +2 +1
- 5. 5 times 10-10+10+21+41-72
- 6. the sixth and tenth number of pi
- 7. the first number of pi
- 8. 0-10+13-3+55-66+11-1
- 9. 15+1
- 11. the average age of everyone in the class