Meh vs. OOOOH
Two nearly identical graphs: a flat line gets a "meh," but one that just starts to curve upward gets an "OOOOH." We notice change.
Transcript
[Graph 1: a flat line] "Meh." [Graph 2: a flat line that curves upward at the end] "OOOOOH"
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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/2019-10-08-meh-vs-ooooh/ (CC BY-NC 4.0)