[Free Registration/Login may be required to access all resource tools.] This lesson covers Tree Diagrams, combinations or permutations to determine the probabilities of multiple events and probability distributions.

Two examples of solving permutation problems followed by five word problems and their solutions.

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

[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.

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.

Mini lessons are provided for learning concepts in the world of probability and statistics. Topics include counting and probability, permutations, combinations, independent and dependent events, and distributions. Links to online...

Introductory permutation problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In these questions, students use the fundamental counting principle, combinations and permutations to determine the number of possible outcomes and the probability. Solutions and explanations are included.

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.

An introductory lesson in probability for students in grades three to five. The concepts presented in this lesson are interwoven, over time, into a current unit of study. Students examine closely the "language" of probability as used in...

This site gives an overview of probability, including example problems and a reading list. Exhaustive and detailed, this should help dramatically with students looking to study probability.

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

Permutations are used in several detailed examples to demonstrate the method for finding the number of arrangements of events.

This page defines permutations, offering both mathematical definitions and examples and a practical explanation of how permutations are used.

Probability questions using permutations and combinations of objects. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving problems on permutations and combinations with overcounting. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] Given a set, learn how to calculate its number of combinations.

An interactive presentation, followed by a quiz, on how to determine the number of possible combinations of items from two and three categories.

[Free Registration/Login Required] This is an interactive lesson on the probability concept of permutations and combinations. It introduces the concepts by allowing the students to move around objects. At the end of the flipchart...

Using the counting principle, permutations, combinations, probability, and odds, students will solve problems encountered in day to day experiences.

This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of permutations.

Gives a basic introduction to combinations and permutations, highlighting the ideas of counting using replacement versus without replacement, and when order is important versus when order is not important.

This lesson focuses on Combinatorics, a branch of mathematics which is about counting. It includes 5 sections: Factorials, Permutations, Combinations, Combinatorics and Pascal's Triangle, and Combinatorics and Probability with examples...

Based off of the hit television show NUMB3RS, this lesson is good practice for students who have already learned about permutations. U.S. Social Security Numbers are explained, and then students find the number of different SSNs which...