The Week 3 #mathphoto16 challenge is #lines, of all types. Look for lines, curves + spirals. Share what you see! https://t.co/ReULkjmkfy – @mathphoto16
Castle Williams on Governor’s Island in NYC. Circle fort and mini circle scale model. #mathphoto16 #scale https://t.co/aTsuNTnjRK – @mskquez
#mathphoto16 I think this one could work for all 3 challenges! Love hotel lobbies!!! https://t.co/a3jPO67TFQ – @mathxprt