# Intro to absolute value

Learn how to think about absolute value as distance from zero, and practice finding absolute values.
The absolute value of a number is its distance from 0.
For example, the absolute value of 4 is start color blueD, 4, end color blueD:
This seems kind of obvious. Of course the distance from 0 to 4 is start color blueD, 4, end color blueD. Where absolute value gets interesting is with negative numbers.
For example, the absolute value of minus, 4 is also start color blueD, 4, end color blueD:

## Let's practice!

Problem 1A
What is the absolute value of 3?

## The absolute value symbol

The symbol for absolute value is a bar vertical bar on each side of the number.
"the absolute value of minus, 6"
we can just write
vertical bar, minus, 6, vertical bar.

## Let's practice!

Problem 2A
What is vertical bar, 7, vertical bar?