1.   How many tens are in 20?
    A. 2 B. 1
    C. 4 D. 3
    Hint

  2.   Find 6 − 1.
    A. 4 B. 5
    C. 3 D. 2
    Hint

  3.   Find the difference.

6 tens − 4 tens = ___ tens

    A. 0 B. 1
    C. 3 D. 2
    Hint

  4.   Find the difference.

70 − 30 = ___

    A. 30 B. 50
    C. 20 D. 40
    Hint

  5.   Find the difference.

34 − 4 = ___

   
    A. 33 B. 31
    C. 32 D. 30
    Hint

  6.   Find the difference.

59 − 2 = ___

   
    A. 58 B. 55
    C. 57 D. 56
    Hint

  7.   Find the difference.

36 − 1 = ___

   
    A. 35 B. 34
    C. 33 D. 37
    Hint

  8.   Find the difference.

22 − 2 = ___

   
    A. 20 B. 19
    C. 21 D. 24
    Hint

  9.   Find the difference.

    A. 86 B. 85
    C. 84 D. 90
    Hint

  10.   Find the difference.

    A. 58 B. 60
    C. 61 D. 59
    Hint

  11.   Find the difference.

    A. 27 B. 18
    C. 19 D. 29
    Hint

  12.   Find the difference.

    A. 36 B. 26
    C. 28 D. 20
    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.   There are 11 members on the baseball team. They all have to take their uniforms to the cleaner. 7 of the team members have taken their uniforms. Which number sentence shows how many more need to take their uniforms?
    A. 11 − 4 = 7 team members B. 4 + 7 = 11 team members
    C. 7 − 4 = 3 team members D. 11 − 7 = 4 team members
    Hint

  16.   Rainee built a tower out of 17 blocks. 9 blocks fell. Which number sentence shows how many blocks were left standing?
    A. 17 − 9 = 8 blocks B. 17 − 8 = 9 blocks
    C. 8 + 9 = 17 blocks D. 9 + 8 = 17 blocks
    Hint