1.   Which list of numbers best describes the set of integers?
    A. …, -3, -2, -1, 0, 1, 2, 3, … B. 1, 2, 3, 4, 5, …
    C. -1, -2, -3, -4, ... D. 0, 1, 2, 3, 4, …
    Hint

  2.   Which number line shows the graphs of the points with coordinates -3, -1, 0, and 5?
    A.
    B.
    C.
    D.
    Hint

  3.   Evaluate the expression |-3| - |-1|.
    A. -2 B. 2
    C. 4 D. -4
    Hint

  4.   Which list of numbers best describes the set of natural numbers?
    A. 1, 2, 3, 4, 5, … B. -1, -2, -3, -4, ...
    C. …, -3, -2, -1, 0, 1, 2, 3, … D. 0, 1, 2, 3, 4, …
    Hint

  5.   Evaluate |2|.
    A. -4 B. -2
    C. 4 D. 2
    Hint