Virginia Department of Education
Permutations and Combinations
Counting is not all it adds up to be — sometimes it involves multiplying. The activity introduces permutations and combinations as ways of counting, depending upon whether order is important. Pupils learn about factorials and the...
CK-12 Foundation
Combination Problems: Friends at a Party
Friend or stranger? Can there be less than three in a group? The interactive asks learners to prove that for seven people at a party, at least three of them are either mutual friends or mutual strangers. Pupils determine the number of...
Curated OER
nCr: Combinations
In this probability activity, students utilize factorials or Pascal's Triangle to calculate the combination given in the form of nCr. There are 4 questions.
Curated OER
Permutations
In this permutation worksheet, students identify the number of possible ways an event may be combined. Order of events is important in each of the ten problems on this one-page worksheet.
Curated OER
Combinations
Students investigate the possibility of different events using combination. For this statistics lesson, students investigate the accuracy of permutations and combinations. They solve problems related to combinations.
Raytheon
Permutations and Combinations
For this permutations and combinations worksheet, middle schoolers complete word problems and pattern problems dealing with permutations and combinations. Students complete 14 problems total.
CK-12 Foundation
Ck 12: Probability: Combination Problems Grade 8
[Free Registration/Login may be required to access all resource tools.] Use combination notation to evaluate combinations.
University of Regina (Canada)
University of Regina: Math Central: Thoughts on Teaching Perm. And Combin.
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...
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.
CK-12 Foundation
Ck 12: Probability: Combination Problems Grades 9 10
[Free Registration/Login may be required to access all resource tools.] Count and evaluate combinations.
CK-12 Foundation
Ck 12: Probability: Combination Problems Grade 7
[Free Registration/Login may be required to access all resource tools.] Count and evaluate combinations.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Combinations
Learn how to use combinations when solving counting problems involving groups. This tutorial offers a good definition of combination, several example problems and step-by-step solutions, and practice exercises for you to complete and check.
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.
Wolfram Research
Wolfram Math World: Topics of Permutation
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...
CK-12 Foundation
Ck 12: Probability: Combinations Grade 8
[Free Registration/Login may be required to access all resource tools.] Recognize combinations in situations where order does not matter.