Transcript Absolute Value

Integers & Absolute Value
Integers & Absolute Value
• The absolute value of a number is the
distance the number is from zero on the
number line.
• Distance is always positive. Think of it like
driving in a car. You can go North, South,
East or West, but you can not go negative
miles.
Integers & Absolute Value
-4
-3
-2
-1
0
1
2
3
Absolute value is symbolized using two bars like this:
4  4
4
-9  9
4  4 2  2
Examples
Ex #1
-6 2 
62
4
Ex #2
5  4 
5 4
20
Examples
Ex #3
 -6 
6
Ex #4
- - 12
12
Thermometers
are oftengain,
used to Words like: below, loss,
Words like: above,
explain positive
and negative
increase
or deposit
mean
decrease or withdraw
numbers.
mean negative integers
positive
integers.
Thermometers are often
used to explain positive
and negative numbers.
Words like: above, gain,
increase or deposit
mean positive integers.
Words like: below, loss,
decrease or withdraw mean
negative integers
Opposites
• In integers
opposites add
up to zero.
• +25 + -25 = 0
• -7 + 7 = 0
• 101 + -101 = 0
BACK
If an Integer has no
sign, it is a positive
number.
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Integers & Absolute Value
Pre-Algebra
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