What are whole numbers, integers, and rational numbers?

Real numbers include natural numbers, whole numbers, integers, rational numbers and irrational numbers. Real numbers also include fraction and decimal numbers. In summary, this is a basic overview of the number classification system, as you move to advanced math, you will encounter complex numbers. read more

All whole numbers are integers (and all natural numbers are integers), but not all integers are whole numbers or natural numbers. For example, -5 is an integer but not a whole number or a natural number. Rational Numbers The rational numbers include all the integers, plus all fractions, or terminating decimals and repeating decimals. read more