Lesson: Permutation Mathematics • Second Year of Secondary School

Students will be able to

• understand what is meant by a permutation and recognize the associated notation,
• recall that ,
• evaluate simple expressions involving permutations,
• use permutations to solve counting problems (e.g., How many ways can 5 people sit on 7 chairs?),
• solve problems related to circular arrangements where rotations are considered equivalent (recognizing that there are ways of arranging objects in a circle),
• find the value of an unknown in an equation involving permutations, for example, or .