More Lessons for Grade 11

Math Worksheets

Videos, worksheets, games and activities to help Grade 11 and 12 students learn about permutations.

The number of different permutations of n objects with n

\(\frac{{n!}}{{{n_1}!{n_2}!...{n_k}!}}\)

Determine the Number of Permutations With Repeated Items

This video explains how to determine the number of permutations when there are indistinguishable or repeated items.

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.

In this example, we count how many 'stair case' paths there are from the origin to the point (5,3).

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.