Across
- 5. eighteen - five
- 6. ten + seven
- 7. eighteen - fourteen
- 9. two x six
- 10. three x three
- 11. nine x two
- 14. three + eight
- 15. four x four
- 17. nine - six
- 20. three x five
Down
- 1. twenty/two
- 2. eleven + eight
- 3. four + three
- 4. seven x two
- 8. ten x two
- 12. six - four
- 13. one + four
- 16. five + three
- 18. twelve/two
- 19. twenty - nineteen