Part Three in an Ongoing Study: Things My Students Say That Make Me Weep For the Future

I needed my students to get into two groups for an activity, and I was tired of having them just number off, so I decided to try a new way to randomly divide them.

Me: If the last digit of your Social Security Number is even, stand up.

Them: We don't know our Social Security Numbers.

Me: Seriously? Okay, if the last digit of your school ID number is even, stand up.

Them: We don't know our school ID numbers.

Me: Okay, how about this. Everyone has a birthday, right? If the last digit of the day, not the month, is even, stand up.

Them: ... What's "even" mean?