Squares to Stairs Algebra Puzzle

I give my take on this classic puzzle. I learned about this puzzle from Youcubed.org.

[@saw2005.]

Can u make you do a short version im just tryna figure out how many squares are in any figure

[@sashwattripathi7667]

Sir Please reply that how to find no. Of line in them and what is the general rule to calculate no. Of line

[@laiichurch6638]

This was helpful

[@ashc5047]

Why the graph…? LOL I just want to work out how many blocks in certain figures … the rule made NO sense in basic terms

[@talkinghandsmath2424]

The graph is a visual representation of how the blocks are growing. The equation will tell us how many blocks are present at any step we choose.