1.   Find the difference.

3 − 1 = ___
    A. 1 B. 3
    C. 0 D. 2
    Hint
  2.   Lewis has 12 marbles in his pocket. If he gives William 3 of them, how many marbles does he have left?
    A. 12 − 9 = 3 B. 12 − 3 = 9
    C. 12 − 2 = 10 D. 12 + 3 = 15
    Hint
  3.   Find the difference.

9 tens − 3 tens = ___ tens
    A. 5 B. 7
    C. 6 D. 4
    Hint
  4.   Find the difference.

8 tens − 5 tens = ___ tens
    A. 5 B. 2
    C. 4 D. 3
    Hint
  5.   Find the difference.

44 − 4 = ___
    A. 43 B. 42
    C. 40 D. 41
    Hint
  6.   Find the difference.
    A. 31 B. 41
    C. 51 D. 60
    Hint
  7.   Find the difference.

43 − 4 = ___
    A. 38 B. 37
    C. 40 D. 39
    Hint
  8.   Find the difference.

51 − 2 = ___
    A. 50 B. 49
    C. 48 D. 47
    Hint
  9.   Find the difference.
    A. 64 B. 67
    C. 65 D. 66
    Hint
  10.   Find the difference.
    A. 67 B. 66
    C. 65 D. 68
    Hint
  11.   Find the difference.
    A. 18 B. 29
    C. 27 D. 19
    Hint
  12.   Find the difference.
    A. 79 B. 82
    C. 70 D. 80
    Hint
  13.   Which addition problem checks the subtraction problem?
    A. B.
    C. D.
    Hint
  14.   Which addition problem checks the subtraction problem?
    A. B.
    C. D.
    Hint
  15.   Round each number to the nearest ten. Estimate the difference.

   
    A. 40 B. 20
    C. 10 D. 30
    Hint
  16.   Round each number to the nearest ten. Estimate the difference.

   
    A. 40 B. 30
    C. 10 D. 20
    Hint