Ooh! Ooh! Is It 12?
An eager student guesses the answer before the teacher has even stated the problem, then guesses again.
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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/2019-11-25-ooh-ooh-is-it-12/ (CC BY-NC 4.0)Transcript
Student (hand raised): "Ooh! Ooh! Is it 12?" Teacher: "This problem is meant to take all class. I haven't even stated it yet." [Student waits] Student: "16?"