How many squares are on a chessboard? And more!

This is a fun counting problem where we determine how many squares are in an nxn grid. For example, a chessboard is an 8x8 grid. With a little algebra we can uncover a nice formula that solves the problem.

[@sessyman]

This video squared my IQ. Now I'm up to 16!

[@raslojna5024]

you tricked me i thought this was a chess video but still cool

[@DrMcCrady]

Ha sorry for tricking you, thank you for the comment!

[@owenharrison8012]

Sum(n=1,s) n^2

[@Ieno]

very nicely explained, good job :>

[@DrMcCrady]

Thank you!

[@muqtadirshah7317]

nice video

[@DrMcCrady]

Thank you!