Numbers

12345678
Across
  1. 1. ten - six
  2. 4. nineteen - eleven
  3. 5. nine + nine
  4. 7. fifteen - eight
  5. 8. one + one
Down
  1. 1. three + two
  2. 2. ten - seven
  3. 3. twenty - four
  4. 4. ten + ten
  5. 6. seventeen - eight