Numbers

123456789
Across
  1. 1. thirty minus ten
  2. 3. five minus two
  3. 5. twelve plus two
  4. 8. nine plus seven
  5. 9. fifteen minus ten
Down
  1. 1. twelve minus two
  2. 2. four plus four
  3. 4. three minus two
  4. 6. five plus six
  5. 7. ten minus one