Across
- 2. five + five
- 4. ten + three
- 7. fourteen + three
- 9. thirteen + four
- 12. eighteen + two
- 13. six + six
- 14. twenty - six
- 15. four-four
Down
- 1. nine + one
- 3. fifteen - four
- 5. four+ one
- 6. four+ two
- 8. fourteen + four
- 10. five+ four
- 11. thirteen + two
- 12. seven - four
- 14. three + one