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How many ways can you arrange a deck of cards? - Yannay Khaikin

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TEDEd Animation

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One deck. Fifty-two cards. How many arrangements? Let's put it this way: Any time you pick up a well shuffled deck, you are almost certainly holding an arrangement of cards that has never before existed and might not exist again. Yannay Khaikin explains how factorials allow us to pinpoint the exact (very large) number of permutations in a standard deck of cards.

It’s Saturday morning, and you have 3 errands to complete today: get groceries, call your friend and fix your bike. First, you need to decide the order in which you want to complete the 3 errands. In how many different ways can you complete these 3 tasks?

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Yannay Khaikin
  • Animator Nadav Arbel
  • Artist Nadav Gazit
  • Narrator Addison Anderson

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