# Interactive video lesson plan for: Permutations and Combinations 1 (Counting principle)

#### Activity overview:

Permutations and Combinations tell us the number of different arrangements of items or numbers that can occur. In this lesson we look at the counting principle - a fast method of counting the number of various arrangements through multiplication.
In this video we also use combinations and permutation counting principles to answer some of the big questions of life - how many different outfit combinations do you have, how many lotto permutations are there, why do they call the tecmath the Count?

Tagged under: Permutation,combinations,Combination,Permutation &amp; Combination,CAT,maths,mathematics,learning,SNAP,XAT,counting principle,AND,OR,GMAT,GRE,Arrangements,Selections

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