Informational Intergers
What are Intergers?
Positive Whole Numbers
Negative Whole Numbers
Zero
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What are NOT Integers?
Fractions E.G. 1/4
Percents E.G. 39%
Decimals E.G. 3.145926
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Number Line of Intergers
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Adding
Adding two positive intergers will result in a positive interger. E.G. 6+3=9
Adding a positive and a negative interger may result in either a positive or negative interger.
Rules for adding a positive and a negative number:
1. Find the absolute value of each interger
(The absolute value of a interger is it's distance from zero on a number line. The absolute value is ALWAYS a positive number.)
2. Subtract the smaller number from the larger number you get in step one.
3.The result from step 2 takes the sign of the intergerwith the greater absolute value.
The sum of any interger and its opposite is equal to zero.
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Main topic
Dividing
If you divide two positive intergers, yoru result will be positive. E.G. 8/4=2
If you divide a positive interger with a negative interger, your reslut will be a negative interger. E.G. 8/(-4)=(-2)
If you divide two negative intergers, your result will be a negative interger. E.G. (-8)/(-4)=2
How to Divide Intergers
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Multiplying
Multplying two positive intergers will result in
a positive form of answer. E.G. 4*6=24
Multiplying two negitive intergers will result in
a positive form of answer. E.G. (-2)*(-5)=10
Multiplying a positive interger by a negative
interger will result in a negative answer. E.G. 4*(-5)=(-20)
How to Multiply Intergers
Subtracting
To subtract an interger, add its opposite.
Learn how to add and subtract positive and negative numbers.