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

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

  3.   Find 50 · (13 · 2) mentally.
    A. 130 B. 1200
    C. 1300 D. 750
    Hint

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