1.   Solve __ + 8 = 10.
    A. 8 B. 2
    C. 4 D. 18
    Hint

  2.   Solve 17 − __ = 9.
    A. 26 B. 10
    C. 8 D. 9
    Hint

  3.   Use the number sentence 5 + 8 +  = 24 to find out how many pages Raul wrote on the weekend.

DayNumber of Pages
Friday5
Saturday8
Sunday

    A. 12 B. 11
    C. 10 D. 9
    Hint

  4.   What rule or property is illustrated by 8 + 2 = 2 + 8?
    A. Commutative Property of Addition B. Associative Property of Addition
    C. Subtraction Rule D. Identity Property of Addition
    Hint

  5.   Find 8 + 2 − 4.
    A. 10 B. 14
    C. 6 D. 2
    Hint

  6.   Find 3 + 12 − 8.
    A. 23 B. 8
    C. 7 D. 15
    Hint

  7.   Find 13 + 7 − 7.
    A. 6 B. 27
    C. 20 D. 13
    Hint

  8.   Find 15 − 6 + 7.
    A. 9 B. 28
    C. 16 D. 17
    Hint

  9.   Find the next number in the pattern.

16, 18, 20, 22, 24

    A. 26 B. 30
    C. 27 D. 2
    Hint

  10.   Find the next number in the pattern.

42, 47, 52, 57, 62

    A. 5 B. 66
    C. 67 D. 72
    Hint