Across
- 1. fifteen+twenty five
- 3. one+ten
- 4. five+eleven
- 6. twenty one+twenty nine
- 8. eight+nine
- 11. five+three
- 12. two+seven
- 14. eleven+nine
- 17. seven+eight
- 18. zero+ten
Down
- 2. five+seven
- 4. thirteen+fifty seven
- 5. eleven+two
- 6. nine+five
- 7. thirty three+fifty seven
- 9. sixteen+two
- 10. ten+nine
- 13. nineteen+forty one
- 15. thirty+fifty
- 16. twenty four+six