Book Promo 3 (Discrete Shoes)
Foot sizes are continuous but shoe sizes are discrete; a customer asks for size 10.613.
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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/2018-09-19-book-promo-3/ (CC BY-NC 4.0)Transcript
[Number lines] "Possible Foot Sizes" (continuous, 23cm–29cm) · "Possible Shoe Sizes" (dots at 8, 8.5, 9, ... 11)
Customer: "I'd like a size 10.613 shoe, please!" Clerk: "Sorry, we only carry shoes for discrete mathematicians."