Virginia Department of Education
Permutations and Combinations
Counting is not all it adds up to be — sometimes it involves multiplying. The lesson introduces permutations and combinations as ways of counting, depending upon whether order is important. Pupils learn about factorials and the formulas...
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 worksheet, 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. In 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.