 # Permutations

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Videos, worksheets, games and activities to help Algebra II students learn about permutations.

Permutations :
In statistics, in order to find the number of possible arrangements of a set of objects, we use a concept called permutations. There are methods for calculating permutations, and it's important to understand the difference between a set with and without repetition. Other important concepts that can apply to situations like permutations are the fundamental counting principal and basic probability.
How to find the number of permutations of a set.
Permutations.
Evaluate factorials. Use permutations to solve problems. Determine the number of permutations with indistinguishable items.

Permutations - Counting Using Permutations.
Basic info on permutations and word problems using permutations are shown.
Permutations Involving Repeated Symbols - Example 1.
This video shows how to calculate the number of linear arrangements of the word MISSISSIPPI (letters of the same type are indistinguishable). It gives the general formula and then grind out the exact answer for this problem.

Permutations Involving Repeated Symbols - Example 2.
In this example, we count how many ' stair case ' paths there are from the origin to the point (5,3).
Permutations - Counting Using Permutations.
Basic information on permutations and word problems using permutations are shown.

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