How to add up EVERY number from 1 to 100, Carl Friedrich Gauss Style (C1 Mathematics)

Hello all you math lovers and math learners out there. In this video I demonstrate how to add up EVERY number from 1 to 100, Carl Friedrich Gauss style.

This is my first post related to an actual proof, and I'm pinging it out there to see how the community reacts. What I do is share college mathematics proofs with the world and my Youtube channel is: https://www.youtube.com/mathsvideosforweb.