Tuesday, July 22, 2014

Multiplication in Equations

Preview

Multiplying equations is really easy because it's just simple equations with variables in them which are lowercase letters. So let's take the equation 5m=25 so the next thing you need to do is divide since it is the opposite of multiplication and you have to divide by 5 like this:

5m=25
5      5

Both of the 5's are cut out because dividing a number with the same number gives us 0 and now we are left with 25/5 so we divide like this:

5m=25 =     __5__
5      5      5/ 25
                    25
                   
m      =         5
`
Now we are left with the number 5 and now the statement states that m=5 and to find out if it is true we have to put our answer in our previous statement like this:
5 x 5=25

This statement is now as we know true because 5 x 5 does equal 25.
Now try some of these and make sure to watch the video on YouTube.



Sheet 1 Multiplying Equations










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