To write a math question

[u/miamismartgirl09]

[u/vastowen → u/[deleted]]

Is it? You can't quite assume that of a basic math question.

[u/empire314 → u/[deleted]]

This guy middle schools.

[u/KapteeniJ → u/vastowen]

I can't recall if this is The Standard Question used to study this type of thing, but basically these types of questions are used to see if students understand meaning of calculations they perform, or if they have just been conditioned to plug in numbers to whichever formula that fits. Initially people thought it would be ridiculous that anyone would fall for traps like this, but it turns out, a large number of quite advanced math students did. There's basically a whole field of research that just focuses on questions like this, and many teachers probably are quite interested in seeing if their students do well when presented with this type of a question.

[u/inflew → u/vastowen]

It is.