General Discussion
In reply to the discussion: This message was self-deleted by its author [View all]byronius
(7,976 posts)And the distance used to calculate the additive sides of a triangle, which I presume is what the image on the page would represent. Probably calculating the hypotenuse of a triangular map.
Plus, a lot of modern textbooks interchange units. Kids are smart enough for that.
That being said, it's not easy for a non-techie to take a picture and edit out the relevant information. Plus, the general handwriting might be used to identify the kid and punish them. Perhaps Coffee Cat didn't think about that before posting, but has now.
I could see a tone-deaf teacher doing something like this. Or even an angry lefty trying to prove a point, wake up the kids to the concept that they might end up as cannon fodder.
On edit: I meant to reply to the post just above mine.