Tuesday, July 22, 2014

Multiplication in Equations


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:

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
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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