Post on 05-Dec-2014
description
Integer Review!
What do we know about integers?Integers are the whole numbers and
their oppositesTwo integers are opposites if they are
the same distance from 0 in either the positive or negative direction on a number line
Negative integers are all the opposites of these whole numbers: -1, -2, -3, -4, -5, …
Negative numbers are less than zero.
Let’s look at some examples of opposites!
-4 and +4
-2 and +2
-5 and +5
Integers can also represent situationsSarah went up four
steps
The temperature is twelve below zero.
The elevation of the mountain is 52,000 feet
+4
-12
+52,000
Absolute Value is…
The distance a number is from zero on the number line
So….Absolute value is shown by two bars on
either side of an integer.
The absolute value of the number is really just the number without a sign (or neither negative nor positive)
4
Let’s watch a video to help us more!
That should get us started!
Your assignment is on the board!