This MathWorld site is a lite to link to a multitude of sites involving permutations. Look through to find your specific needs. If you are looking at this site with regards to a probability and statisics class you will probably want to...

This CoolMath resource will help students understand the concept of permutations when the combination has something repeated.

[Free Registration/Login may be required to access all resource tools.] Determine all the possible permutations in a probability problem.

A lesson, practice activity, and teacher resource for exploring permutations and combinations.

Discussion of permutations and combinations using examples and a video lesson. [1:15]

By entering terms for how you want to combine items, you can use this calculator to determine all the different combinations and permutations you can have. For more advanced users, various rules are explained and how to use them.

Gain an understanding of combinations and permutations by viewing an example and a video lesson. [1:15]

Takes a look at the different situations where to use permutation or combination and the difference between them. Includes definitions, solved examples, and practice questions.

An article written for teachers with recommendations on how to present permutations, combinations, and the binomial theorem to students. It contains both useful suggestions about order of presentation and many class examples. A good...

Practice using your graphing calculator for factorial, combination, and permutation expressions. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.

[Free Registration/Login may be required to access all resource tools.] This lesson covers how to define and calculate combinations of objects and recognize the difference between a combination and a permutation.

In this Cyberchase video segment, the CyberSquad finds the right combination of switch, lever and button that will deactivate the force field protecting the stolen Black Crystal. [3:21]

In this Cyberchase video segment, Matt and Jackie must figure out which combination of knob and key will get them one step closer to retrieving the Black Crystal.

This 4-problem quiz/practice using introductory combination problems like if you have 5 friends and can pick 2 of them to join you on a boat ride, how many different groups of friends could you take with you?

If you're good with numbers, then here's a challenge just for you. See if you can figure out how many three number combinations you can make using numbers from 0 to 39. A probability challenge that explores number arrangements. Taken...

The combination function is used to solve probability counting problems. Several examples are presented with detailed solutions.

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of combinations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...

When two or more atoms combine they give rise to a molecule. A molecule can be made up of many atoms of the same element. There are 112 elements known to man, so can you imagine the different permutations and combinations of molecules...

In this lesson, students will figure out how many different combinations of ice cream flavors and cones they can make. Students will work cooperatively to make the different combinations. They will use various materials to actually make...