Key Terms

Key Terms
absolute value
The absolute value of a number is its distance from 0 on the number line.
Integers are counting numbers, their opposites, and zero … –3, –2, –1, 0, 1, 2, 3 …
negative number
A negative number is less than zero.
The opposite of a number is the number that is the same distance from zero on the number line, but on the opposite side of zero.