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Adding and Subtracting Integers
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Integers
by
Callie and Lajenay
Integers
Integers
Integers are regular numbers such as:
4,5,6,7,8,-4,-5,-6,-7,-8
Different Integers
There are different ways to add, subtract, multiply, and divide integers
We will talk about all of the different ways to do this
Adding Integers
Adding integers is as easy as regular adding.
Mainly because it is regular adding!
Here's some examples: 3+1, 8+7, 9+8
Negative Integers
You can add negative integers too. All you have to do is add them like positive integers.
Ex.: -7+-8, -5+-5, -9+-4
Adding Both Types
How do you add a negative integer to a positive integer?
This is pretty easy too.
Just do it like this: -9+7 = 9-7= 2
Then the sum has the same sign as the bigger number.
Subtracting Integers
Subtracting integers is also very easy. Just as adding same sign integers had been.
Some examples of subtracting same sign integers:
4-3, 9-8, 8-4, 7-2
Subtracting Negatives
Subtacting negative integers is a little different than the positives. When you subtract negative integers you have to use keep, change, and flip.
Like this: -7-(-5) = -7+5
8000-876 7392-675
-9.00 X 7.90 9092 - 2017
900 X -50 50 X 78974
800-90 6783
900-80
900x X 8000
64563 - 789
12345679 X 18