Triangular Numbers

Triangular Numbers
  • Currently 4.0/5 Stars.
2930 views, 3 ratings - 00:05:53
Taught by IsAllAboutMath

Meets NCTM Standards:

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.
good it was okay but could be better thanks
  • Currently 4.0/5 Stars.
Reviewed by Aishah on March 04, 2011.
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