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The mathematical secrets of Pascal’s triangle - Wajdi Mohamed Ratemi

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Pascal’s triangle, which at first may just look like a neatly arranged stack of numbers, is actually a mathematical treasure trove. But what about it has so intrigued mathematicians the world over? Wajdi Mohamed Ratemi shows how Pascal's triangle is full of patterns and secrets.

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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 Wajdi Mohamed Ratemi
  • Director Henrik Malmgren
  • Narrator Addison Anderson
Additional Resources for you to Explore


Math is really fun! Visit this site and find out more about Pascal’s Triangle! Having some trouble doing the questions in the lesson? Visit the Math Forum @ Drexel and get some hints on how to solve problems similar to the ones you just worked on! Practice makes perfect.

Khan Academy also adds some additional assistance with the lesson: Pascal’s Triangle for Binomial Expansion. Do the words Fibonacci Sequences and Fractals in Pascal’s Triangle interest you? Visit the Live Science site and learn more. The patterns found in Pascal’s Triangle can be quite interesting. Learn more at the Mathematics Association of America site. Coloring multiples in the triangle can help patterns emerge, visit this online site and give it a try.

Find Pascal’s Triangle fascinating? Visit this site and read, “Polynomial expansions via embedded Pascal’s Triangles,” and “ Tagging of Genomes Using Embedded Pascal Triangles Expansion,” for more in depth information.

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Create and share a new lesson based on this one.

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 Wajdi Mohamed Ratemi
  • Director Henrik Malmgren
  • Narrator Addison Anderson

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