So we're doing a math sheet and since I'm the best at math in my class I usually go around and check everyone's work and the teachers cool with I so I'm doin my thing and everyone work looks pretty good the I come to the teachers daughter and I just stop and I face palm so hard every one heard and looked at me so I call the teacher and say " may I be excused from ever checking ( insert name )s work ever again " Teacher " y" I take paper from her and hand it to the first person in the front row I say " look at number 3 then pass it around " it gets passed around to whole class and there all trying to hold in there laughter so I get the paper back and walk up to the teacher and say " your daughter has put the answer to 3- th square root of 8 as -0 not just zero negative zero" everyone broke out laughing and we still don't let her forget it to this day. Btw this was in 9th grade