Integers

1
Integers Absolute Value
2
(No Transcript)
3
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.

BACK
4
Integers Absolute Value
Absolute value is symbolized using two bars like
this
BACK
5
Examples
BACK
6
Examples
BACK
7
Thermometers are often used to explain positive
and negative numbers.
Words like below, loss, decrease or withdraw
mean negative integers
Words like above, gain, increase or deposit mean
positive integers.
8
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
9
Thermometers are often used to explain positive
and negative numbers.
BACK
10
Words like below, loss, decrease or withdraw
mean negative integers.
Mr. 10 below (-10)
BACK
11
Words like above, gain, increase or deposit mean
positive integers.
Mr. 101
BACK
12
Opposites

• In integers opposites add up to zero.
• 25 -25 0
• -7 7 0
• 101 -101 0

BACK
13
If an Integer has no sign, it is a positive
number.
BACK
14
(No Transcript)
15
Integers Absolute Value

• Pre-Algebra

BACK