Gauss prodigy
Level
pending
What is the sum of the first 100 natural numbers, 1+2+3+...+100?
The answer is 5050.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Add the 1st and 100th number, 2nd and 99th number, 3rd and 98th, and so on. Each step will add up to 101. Since there is 50 steps in this pattern, the answer is 101 x 50 which equals 5050.