Step 2 Unit 2 Key Terms

  • Percent–  A fraction or ration in which the denominator is 100.
  • Proportion– An equation which states that two ratios are equal.
  • Rate–   A comparison of two quantities that have different units of measure.
  • Ratio– Something that compares quantities that share a fixed, multiplicative relationship.
  • Rational Number– A number that can be written as a/b where a and b are integers, but b is not equal to 0.
  • Unit Ratio– Ratios written as some number to 1.
  • Quantity–   An amount that can be counted or measured.