Natural - Natural numbers include only positive whole numbers beginning with 1.
<em>Ex. 1, 2, 3, 4, 5.....</em>
Whole - Whole numbers include all Natural Numbers and 0.
<em>Ex. 0, 1, 2, 3, 4, 5....</em>
Integer - All Whole and Natural Numbers, and negative non-decimal numbers.
<em>Ex. .... -2, -1, 0, 1, 2, 3....</em>
Rational - All Natural and Whole Numbers and Integers. Also included all repeating decimals and terminating decimals. (No never-ending, no pattern decimals.)
<em>Ex. 2/3, -1.5, 1, 2, -8...</em>
Real - All Natural and Whole Numbers, Integers, and Rational Numbers.