Zero-Sum (Siblinghood)
Two siblings refuse to help each other clean up: siblinghood is a zero-sum game, where one's gain is the other's loss.
Transcript
"Why don't you help each other clean up?" "Never!" "Siblinghood is a zero-sum game."
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/2024-09-03-zero-sum/ (CC BY-NC 4.0)