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Multiplying and Dividing Integers

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Donnetta Stanley

on 12 May 2015

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Transcript of Multiplying and Dividing Integers

Multiplying and Dividing Integers
Multiplying Integers
How to multiply integers
Dividing Integers
How to Divide Integers
It just uses positive and negative numbers instead
For instance: -3x(-4)=12

2x(-4)=-8 Think 2 groups of -4
-5x2=-10 Think the opposite of 5 groups of 2
-3x(-4)=12 Think the opposite of 3 groups of -4
Because division is the inverse of multiplication, the rules for dividing integers are the same as the rules for multiplying integers

Just like multiplying integers you are using positive and negative numbers
For instance -12/3=-4
If the signs are the same, the quotient is positive
24/3=8 -6/(-3)=2
If the signs are different, the quotient is negative
-20/5=-4 72/(-8)=-9
Zero divided by any integer equals 0
0/14=0 0/-11=0
You cannot divide any integer by 0
Practice Examples
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Regular multiplying is very similar to multiplying with integers
These two videos from Khan Academy will help you to better understand multiplying and dividing integers!
Full transcript