Math Puzzle Practice

  1. Question 1: 1 + 1 blank.
  2. Question 2: 2 + 4 blank.
  3. Question 3: 20 - 13 blank.
  4. Question 4: 12 - 9 blank.
  5. Question 5: 3 + 1 blank.
  6. Question 6: 18 - 10 blank.
  7. Question 7: 7 + 3 blank.
  8. Question 8: 6 + 3 blank.
  9. Question 9: 3 + 2 blank.