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# Permutations and Combinations Compared

## Order is important when picking r at a time from a group of n:  nPr = n!/ (n-r)!

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.
• Read

## Combinations and Permutations

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• PLIX

## Permutations and Combinations Compared: Different Color Starbursts

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Permutations and Combinations Compared Interactive

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• PLIX

## Permutations and Combinations Compared: Ice Cream Bar

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Permutations and Combinations Compared Interactive

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• Downloadable Quiz

## Permutations and Combinations Compared Quiz

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10 questions about Permutations and Combinations Compared.

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• Practice
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## Permutations and Combinations Compared Practice

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• Critical Thinking

## Permutations and Combinations Compared Discussion Questions

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A list of student-submitted discussion questions for Permutations and Combinations Compared.

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• Pre Read

## Permutations and Combinations Compared Pre Read

by CK-12 //at grade

To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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• Post Read

## Permutations and Combinations Compared Post Read

by CK-12 //at grade

To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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• Real World Application

## Permutations and Combinations Compared

by CK-12 //at grade

Students will analyze and compare the number of ways that a Sudoku puzzle can be played and that they can be dealt a hand of cards in Big Two. This comparison is for understanding the difference between combinations and permutations.

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• Study Guide

## Probability Study Guide

by CK-12 //at grade

This study guide reviews the probability of simple events, non-simple events, complementary events, compound events, conditional events, independent events, and mutually exclusive events. It also looks at tree diagrams and counting, combination, and permutation.

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• Flashcards

## Permutations and Combinations Flashcards

by CK-12 //at grade

These flashcards help you study important terms and vocabulary from Permutations, Permutation Problems, Permutations with Repetition, Combinations, and Combination Problems.

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