Across
- 2. five plus three
- 5. thirteen plus eleven
- 6. seven plus four
- 7. twelve plus five
- 8. six plus nine
- 9. twenty plus fifteen
- 11. ten plus six
- 12. sixteen plus eight
Down
- 1. eleven plus seven
- 3. nine plus eight
- 4. fourteen plus three
- 10. eight plus two