• Absolute value
  The absolute value of a number is the positive value of that number. For a positive number, it is just the number. For a negative number it is it's positive value. So, the absolute value of 5 is 5, and the absolute value of -5 is 5 also. Absolute value is written like this:
  | - 5 | = 5 with vertical bars around the number.
  You can think of absolute value as the distance from zero to your number. Now, here's a problem for you:
  What is | - 8 |?

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