11. Permutations and combinations
- Syllabus
- 0606–2028–2029
- Topic
- 11
- Level
- —
11.1. Distinguish permutations and combinations
- Recognise the difference between permutations and combinations and know when each should be used.
11.2. Use n! and nPr/nCr expressions
- Know and use the notation n! and the expressions for permutations and combinations of n items taken r at a time.
- Includes 0! = 1.
11.3. Solve arrangement and selection problems
- Solve arrangement and selection problems using permutations or combinations.
- Problems will be in everyday contexts or based on algebraic problems.
- Problems involving repeated objects, circular arrangements, or both permutations and combinations are not included.
Objective notes
3 learning objectivesConceptIGCSE Additional Math