Across
- 1. one
- 4. nineteen minus one
- 5. one plus five
- 7. thirteen plus two
- 8. two plus two
- 9. nineteen plus one
- 11. four plus three
- 13. twelve plus two minus one
- 15. ten plus five minus four
- 16. one plus one
- 17. fifteen minus three
Down
- 2. eighteen plus two minus one
- 3. nine plus one
- 4. five plus three
- 5. fifteen plus five minus four
- 6. one plus two
- 7. fifteen minus one
- 10. six plus three
- 12. three plus two
- 14. sixteen plus one