1.   Which number is not a rational number?
    A. 0.121221222… B. 0.121212121
    C. 0.122222222… D. 0.121212121…
    Hint

  2.   The set of numbers {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5} are elements of which set of numbers?
    A. integers B. real numbers
    C. rational numbers D. all of these
    Hint

  3.   Write a rational number less than zero with a 2-digit repeating pattern.
    A. -4.626262... B. -1.112233…
    C. -2.222222 D. -3.355555…
    Hint

  4.   Which group of numbers includes the rational numbers?
    A. terminating numbers B. real numbers
    C. whole numbers D. irrational numbers
    Hint

  5.   The number that coincides with a point on a number line is called the ______________.
    A. Origin B. Absolute Value
    C. Location D. Coordinate
    Hint