@brahms @Violinknitter I don't remember all of them, but here is a quick write up I found: https://maths-from-the-past.org/alice-and-algebra/
There's a lot more out there on it. If you're looking for the math content, I'd read the original or the book that violinknitter linked, Martin Gardner is amazing.

AuthorJulie Hatfield Updated By Siobhan Williams Bibliography Bayley, M. (2016) Alice’s Adventures in Algebra: Wonderland solved, New Scientist. New Scientist. Available at: https://www.newscientist.com/article/mg20427391-600-alices-adventures-in-algebra-wonderland-solved/ [Accessed: March 8, 2023]. Carroll, L. and Tenniel, J. (2010) Alice’s Adventures in Wonderland, 1865; and through the looking-glass and what Alice Found There, 1871. Vancouver, BC: Engage Books. Lyden, J. (2010)