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I just got caught out by a fence post error! I'm currently sewing together blanket squares, and I cut off lengths of yarn long enough to do two seams, and got really confused that I had half a length left after joining eight squares, and it took me a beat to realise eight squares meant seven seams
@alisonkiddle So glad to learn there's a name for this type of mistake!
@dcnorris yes it's a specific kind of "off by one error" although I guess in this case the squares are the fence posts and the seams are the fence panels, which feels like the wrong way round
@alisonkiddle @dcnorris we discuss fence posts & fence panels when doing sequences in Algebra 2 & Precalculus. Common confusion!
@KarenCampe what intrigued me was that when I'm operating in a maths space I'm really aware of out-by-one errors, but because I was doing something non-mathematical* I got caught out.
*(yes yes I know, maths is everywhere, I'm always doing something mathematical even when I'm just sewing or knitting...)
@alisonkiddle
I tripped myself up with an anti- fence post error: I was trying to mark a loop of string such that it had 12 equal sections, each separated from the next by a knot. "A-ha," said my brain, "I'm not going to be caught out by a fence post error! Thirteen knots it is..."
@TeaKayB if only you'd had a better maths teacher