This topic is fantastic for both students that already really grasp inverse operations as well as those that struggle.  When rearranging formulas we must use Algebra, which is a manipulation of the linguistic rules of the language of mathematics.  In particular, we reverse the order of operations in order to find out what something equals.  

What makes this different than solving equations like 3x – 4 = 11 is that here we cannot rely on arithmetic facts.  Instead, we are left only to be able to apply inverse operations.  

There is one potentially new concept here called factoring.  Factoring is the opposite of distributing, roughly speaking.  Basically, if a(b + c) = ab + ac, then if you started with ab ac, you could divide out the a from each term.

Read through the first tab’s notes, then watch the video. Download the PowerPoint if you like, then try the practice problems.  If you have questions or confusion, please don’t hesitate to leave a comment below, or send us an email at:  [email protected].  

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