Identity vs. Conditional
Two panels contrast an identity (true for all values) with a conditional equation (true for some), using threats about muddy carpets.
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/2017-12-08-identity-vs-conditional/ (CC BY-NC 4.0)Transcript
[Identity: an equation that applies to all values] "Anyone who tracks mud on my carpet will pay the price."
[Conditional Equation: specifies values without necessarily naming them] "Someone forgot to wipe their feet..."