I remember this so vividly

The way the box method is being used here is to factor polynomials. It can be taught in Algebra I (I assume not all curriculum uses it). I think it’s a relatively newer way to teach. It’s more visual for me so it works well for myself. It reminds me of Punnett squares!

@depthsofwikipedia.bsky.social

Thanks to viewers like you, thank you.

The phantom tollbooth is my favorite book :)