Lots of #mathisfun in day 2 of 2 of #mathcamp today at @nashermuseum.bsky.social at Duke. We looked at divisiblty rules, spaghetti/pizza/watermelon/hyperwatermelon numbers, theory vs practice, Doomsday Rule/clndr math, #PascalsTriangle & more,+ explored #mathAndArt in photography #mtbos #iteachmath