Permutations and Combinations

Let's now learn the art and science of how to count very large numbers without actually counting them. We will start with the fundamental principle of counting and finally demystify two big words 'permutations' and 'combinations' and make them our friends for ever.

Intermediate 0 Students enrolled
Created by School Prep . Last updated Sat, 17-Apr-2021 English
Curriculum for this course
18 Lessons 11:09:34 Hours
Fundamental Principle of Counting
4 Lessons
  • Count outcomes using tree diagram 00:04:31
  • Counting outcomes: flower pots 00:02:35
  • Ways to arrange colors 00:03:45
  • Quiz1 3
  • Factorial and counting seat arrangements 00:05:33
  • Permutation formula 00:07:35
  • Possible three letter words 00:05:39
  • Zero factorial or 0! 00:04:50
  • Ways to pick officers 00:02:19
  • Handshaking combinations 00:07:29
  • Quiz2 3
  • Intro to combinations 00:06:18
  • Combination formula 00:11:17
  • Combination example: 9 card hands 00:07:43
  • Quiz3 3
  • Quiz 1 1
  • Notes
  • Question Bank
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