Cuisenaire Squares 1

I tweeted some pictures of Cuisenaire squares that I made and captioned them with relevant mathematical statements. They were the most popular mathematical tweets I've ever done!

I think squares are either 0 or 1 mod4... pic.twitter.com/fJJvxpy8Bm

— Maths Roadshow (@MathsRoadshow) 5 May 2017

And then this one got a lot of love!

This has convinced me that (n+1)² = n²+2n + 1 pic.twitter.com/CSLHeYvn3M

— Maths Roadshow (@MathsRoadshow) 5 May 2017

This one got some attention too.

Two consecutive triangle numbers make a square number. #cuisenaire #visualproofs pic.twitter.com/8tAlZLx45j

— Maths Roadshow (@MathsRoadshow) 7 May 2017

What else could you show with  cuisenaire squares?