At the Board
Up close, a teacher thinks they've drawn a perfect rectangle on the board; from ten feet back it's a lopsided blob.
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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/2017-03-02-at-the-board/ (CC BY-NC 4.0)Transcript
[Panel 1: "At the Board"] Teacher (thinking): "Ah, a perfect rectangle."
[Panel 2: "Ten Feet Back"] Teacher: "Huh."