# Introduction to absolute value

##### Intros

###### Lessons

##### Examples

###### Lessons

**Evaluate the Absolute Value of a Number**Evaluate the following absolute values:

i. Using a number line

ii. algebraically

**Evaluate the Absolute Value of an Expression**Evaluate the absolute values of each of the following expressions:

**Comparing Numbers Using Inequality Symbols**Fill in the blanks using one of the inequality symbols >, < or = .

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###### Topic Notes

In this lesson, we will learn:

- Evaluate the Absolute Value of a Number
- Evaluate the Absolute Value of an Expression
- Comparing Numbers Using Inequality Symbols

- Absolute value:
- The distance of a number from zero
- Is always non-negative (either zero or positive)
- Absolute value of a number $x$ is expressed as $|x|$ or $abs(x)$

- Absolute value makes a negative number positive. Positive numbers and 0 remain unchanged.

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