There are six common sets of numbers.

Natural (Counting) Numbers:

Whole Numbers: Natural Numbers and

Integers:

Rational Numbers: Integers, Fractions, and Terminating or Repeating Decimals

Irrational Numbers: Non Terminating or Non Repeating Decimals

Real Numbers: Rational Numbers and Irrational Numbers

Determine which sets the numbers fit into.

Natural (Counting) Numbers:

Whole Numbers:

Integers:

Rational Numbers:

Irrational Numbers:

Real Numbers:

Determine the Types of the Numbers (72,21)