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# Permutations

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Practice Permutations
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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Permutations

by CK-12 //at grade

Given a set, learn how to calculate its number of permutations.

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## Define and Apply Permutations and Factorials

by CK-12 //at grade

This lesson covers how to define and use factorials to determine the number of permutations or arrangements of objects.

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• Video

## Permutations: A Sample Application

by CK-12 //at grade

This video demonstrates a sample use of permutations.

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• Video

## Permutations: An Explanation of the Concept

by CK-12 //at grade

This video provides an explanation of the concept of permutations.

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• Practice

## Permutations Practice

by CK-12 //at grade

Practice Permutations questions

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## Permutations Stop and Jot Table

by CK-12 //at grade

Learn new vocabulary words and help remember them by coming up with your own sentences and descriptions from the text.

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## Define and Apply Permutations and Factorials Stop and Jot

by CK-12 //at grade

Strengthen ability to analyze word meaning and symbolic or mathematical notation from context and introduce students to unfamiliar vocabulary or notation. Further solidify understanding by defining new vocabulary words and notation as well as generating personal examples of words, concepts, and notation usage.

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## Recognize and Identify Permutations Post Read

by CK-12 //at grade

Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.

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## Permutations Four Square Concept Matrix

by CK-12 //at grade

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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## Recognizing Permutations

by CK-12 //at grade

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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• Real World Application

by CK-12 //at grade

Find out why you can increase the security of your password by making it more complex.

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• Real World Application

## Top Secret Codes

by CK-12 //at grade

Discover how Germany used permutations to send encrypted messages during World War II and how the code was eventually cracked.

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• Real World Application

## Wrong Number

by CK-12 //at grade

Find out how many phone numbers are possible in the United States.

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