Viral Math News: This Weird Cancellation Trick
A 'one weird trick' ad for the classic bad cancellation x/(3+x) = 1/4.
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-12-07-viral-math-news-this-weird-cancellation-trick/ (CC BY-NC 4.0)Transcript
[Smug figure beside x/(3+x) = 1/(3+1) = 1/4, cancelling the x's] "This weird cancellation trick will save you hours (and algebraists HATE it)" [16,863 comments]