MathVids > Just for Fun > Playing with Numbers > Numbers and Number Patterns > Triangular Numbers

Triangular Numbers

Triangular Numbers
  • Currently 4.0/5 Stars.
819 views - 00:05:53
Taught by IsAllAboutMath
4 students saved this video as a favorite.
See other videos like this one
An introduction to triangular numbers.
  • What are triangular numbers?
  • How do you find triangular numbers?
  • How can you compute the nth triangular number?
  • How did Gauss find the sum of natural numbers from 1 to 100?
This is a very basic video about triangular numbers, but the visuals help show them in a meaningful way. To find any triangular number, the video explains finding the sum of all natural numbers from 1 to n using a method that Gauss found. This historical anecdote is also explained.
  • Currently 3.0/5 Stars.
Reviewed by MathVids Staff on March 07, 2009.
How staff ratings work
good it was okay but could be better thanks
  • Currently 4.0/5 Stars.
Reviewed by Aishah on March 04, 2011.
 
App_store_badge Smart-logo