Think of a number

1234567891011
Across
  1. 1. 0+4
  2. 2. 3+2
  3. 4. 22+4
  4. 6. 4x8
  5. 7. 22-13
  6. 9. 11x5
  7. 11. 144 divided by 12
Down
  1. 1. 7x8
  2. 3. 10-10
  3. 4. 9x4
  4. 5. 5x13
  5. 6. 26+7
  6. 8. 8+10
  7. 10. 90-30