1. INTEGERS AND ABSOLUTE VALUE
SECTION 2.1

2. KEY TERMS Integer Negative Integer Positive Integer Absolute Value
All numbers consisting of negative, positive and zero
Negative Integer
Integer that is less then zero
Positive Integer
Integer that is greater then zero
Absolute Value
Distance a number is from zero
Opposite
Two numbers that are the same distance from zero

3. USING A NUMBER LINE
Click on the picture to view using a number line

4. ORDERING INTEGERS
The further to the left of zero the smaller the number
The further to the right of zero the larger the number.
A negative number is always less then a positive number
A negative number is always less then zero

5. EXAMPLE Order the numbers from least to greatest -7, 2, -1, 0, -2
Determine which number is the smallest.
The further from zero the smaller the number
Then work your way up from there
-7, -2, -1, 0 , 2

6. Absolute Value
The absolute value of a number can be considered as the distance between 0 and that number on the real number line.

7. OPPOSITES
Numbers that are the same distance from zero