Number Words

123456789
Across
  1. 2. 0
  2. 3. 10 + 4
  3. 7. 3 + 4
  4. 8. 40 + 40
Down
  1. 1. 50 - 30
  2. 4. 4 - 3
  3. 5. 1/10
  4. 6. 11
  5. 7. 6 x 10
  6. 9. 1/2