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Permutations & Fundamental Counting Principle

4/8/2014

29 Comments

 
I'm trying something a little different this week.  For math class, the 7th graders are taking the CRT's and we are coming up to Spring Break.  

I would like my students to come up with real world situations that they can use Permutations and the Fundamental Counting Principle to solve probabilities.  

Here is an example:  eight students are running for Student Body President and Vice President.  How many possible combinations of President and Vice President are possible?
_8_ x _7_ = 56  

In permutations, order matters!  Once a student has won as president, there are only 7 students left to choose from for vice-president.  

Respond to this blog with your own real world example.  For extra credit comment on two scenarios that your peers come up with.





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    Mrs. Calvert

    Middle School Math Teacher
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