what integers mean in math
An integer is a whole number that can be either greater than 0, called positive, or less than 0, called negative. Zero is neither positive nor negative. Two integers that are the same distance from the origin in opposite directions are called opposites. The arrows on each end of the number line show us that the line stretches to infinity in both the negative and positive direction. We don't have to include a positive sign (+) when we write positive numbers.