1.   An example of the Commutative Property of Addition is ______________.
    A. 2 · 4 = 4 · 2
    B. 2 + 4 = 4 + 2
    C. 2(4 · 6) = (2 · 4)6
    D. 2 + (4 + 6) = (2 + 4) + 6
    Hint

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

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

  4.   Name the property shown by the statement a + b + 0 = 0 + a + b.
    A. Additive Identity
    B. None of these
    C. Associative Property of Addition
    D. Commutative Property of Addition
    Hint

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



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