Math Puzzle Practice

  1. Question 1: 13 - 9 blank.
  2. Question 2: 8 - 1 blank.
  3. Question 3: 15 - 9 blank.
  4. Question 4: 19 - 11 blank.
  5. Question 5: 5 - 2 blank.
  6. Question 6: 11 - 6 blank.
  7. Question 7: 14 - 4 blank.
  8. Question 8: 22 - 13 blank.
  9. Question 9: 10 - 8 blank.