1.   Find the product 4 · 6 · 5 mentally.
    A. 80 B. 100
    C. 120 D. 20
    Hint

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

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

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

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



Glencoe
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