**A positive integer is a whole number greater than zero, and a negative integer is a whole number less than zero.** Whole numbers are numbers without any fractions or decimals. These numbers are also called counting numbers.

Positive and negative integers have many uses in real life. The negative integer -16 may be used to describe a loss of $16 or 16 pounds. The positive integer +5 might be used to refer to a gain of 5 pounds. These numbers are also used with temperatures. The positive integer +32 is another way to say it is 32 degrees above zero, while the negative integer -3 is used to say it is three degrees below zero.