PRE-ALGEBRA
Lesson 69 of 171

RATIONAL AND IRRATIONAL NUMBERS
Determining if a Number is Rational or Irrational
Students learn that the following number sets represent rational numbers: natural numbers, whole numbers, integers, fractions, terminating decimals, and repeating decimals. For example, -2, 7, 3/4, 0.0006, and 0.191919... are all rational numbers. However, a decimal that is both non-terminating  more...
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