Numbers

1234567891011121314151617
Across
  1. 2. one plus one
  2. 5. nineteen minus three
  3. 9. ten plus three
  4. 10. four plus one
  5. 11. eighteen minus four
  6. 12. nine plus two
  7. 13. thirteen plus two
  8. 15. one plus two
  9. 17. two plus eight
Down
  1. 1. six plus six
  2. 3. eight plus eleven
  3. 4. sixteen plus two
  4. 5. sixteen minus nine
  5. 6. five plus four
  6. 7. ten plus seven
  7. 8. ten minus four
  8. 14. fifteen minus eleven
  9. 15. seventeen plus three
  10. 16. twenty minus twelve