Irrational Between Two Rationals
Zooming in on two rationals that look adjacent reveals an irrational between them: no two rationals are ever next to each other.
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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/2016-01-01-irrational-between-two-rationals/ (CC BY-NC 4.0)Transcript
[A figure zooms in with a magnifying glass on two rational points that look touching on a number line] [Zoomed: "rational" · "irrational!" · "rational"]