Can You Verify This Checkbook?
A mathematician happily calls balancing a checkbook trivial, but won't actually do the arithmetic.
Use this cartoon
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/2017-01-11-can-you-verify-this-checkbook/ (CC BY-NC 4.0)Transcript
A: "Can you verify if this checkbook adds up?" Mathematician: "Of course. It's trivial." A: "No, I mean, can you actually do it." Mathematician: "Oh. Then no."