Math Is Fun
Math Is Fun: Combinations and Permutations Calculator
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.
Math Is Fun
Math Is Fun: Combinations and Permutations
Combinations and permutations are explained clearly, with lots of examples. Includes practice questions.
Khan Academy
Khan Academy: Combinations
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?
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Permutations, Factorials and Combinations
Thirty-one problems present a variety of practice working with permutations, factorials and combinations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
ClassFlow
Class Flow: Permutations and Combinations
[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...
Math Planet
Math Planet: Algebra 2: Permutations and Combinations
Discussion of permutations and combinations using examples and a video lesson. [1:15]
Math Planet
Math Planet: Combinations and Permutations
Gain an understanding of combinations and permutations by viewing an example and a video lesson. [1:15]
Cuemath
Cuemath: Permutations and Combinations
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.
Khan Academy
Khan Academy: Probability and Combinatorics: Permutations and Combinations
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.
Interactive Mathematics
Interactive Mathematics: Permutations
Permutations are used in several detailed examples to demonstrate the method for finding the number of arrangements of events.
Texas Instruments
Texas Instruments: Counting Principle, Combinations, and Permutations
Students will solve discrete math problems involving permutations, factorials, and combinations. Students are responsible for deciding which is appropriate to solve a given word problem.
McGraw Hill
Glencoe Mathematics: Self Check Quizzes: Permutations and Combinations
This online quiz tests student understanding of permutations and combinations.
CK-12 Foundation
Ck 12: Probability: Tree Diagrams Grades 10 12
[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.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice: Discrete Mathematics and Probability
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.
Other
The Actuarial Foundation: Let's Go to the Mall! Explorations in Combinatorics
Let's Go to the Mall! is designed to help young scholars understand the connection between various kinds of combinations (multiplication principle and choose numbers) and permutations.
National Council of Teachers of Mathematics
Nctm: Illuminations: Bobbie Bear's Vacation Outfits
Help Bobbie Bear figure out how many outfits he could make with his shirts and pants. He can have up to 5 shirts and 4 pants. Figure out all the possible combinations.
Other
Lake Tahoe Com. College: Permutations and Combinations
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.
Interactive Mathematics
Interactive Mathematics: Combinations
The combination function is used to solve probability counting problems. Several examples are presented with detailed solutions.
Texas Instruments
Texas Instruments: Probability and Fundamental Counting Principle
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.
CK-12 Foundation
Ck 12: Interactive Geometry: 11.8 Permutations and Combinations
Take a look at three techniques for counting outcomes.
Texas Instruments
Texas Instruments: Numb3 Rs: Social Security Numbers
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...
PBS
Pbs Learning Media: Lock Combinations of Knobs and Keys
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.
Texas Instruments
Texas Instruments: Probability
Using the counting principle, permutations, combinations, probability, and odds, students will solve problems encountered in day to day experiences.
Khan Academy
Khan Academy: Counting Casts 2
In this 7-problem quiz/practice, using the numbers given, students must determine how many different ways can you cast this scene.