1.   Name the property shown by the statement 6(2m) = (6 · 2)m.
    A. Commutative Property of Addition
    B. Commutative Property of Multiplication
    C. Associative Property of Multiplication
    D. Associative Property of Addition
    Hint

  2.   Simplify 6 + b + 3.
    A. 9 B. 3 + b
    C. 9b D. b + 9
    Hint

  3.   Simplify 5 · x · 10.
    A. 50x B. 15 + x
    C. 15x D. 50 + x
    Hint

  4.   Simplify (r + 6) + 27.
    A. 6r + 27 B. r + 33
    C. r + 21 D. 33r
    Hint

  5.   Which is not a valid property?
    A. Associative Property of Multiplication
    B. All of these are valid.
    C. Associative Property of Addition
    D. Associative Property of Subtraction
    Hint



Glencoe
The McGraw-Hill Companies