4:30 – 5:30 pm Folding Fridays – MoMath’s online origami series Ages: AllCraft & DIY Family Virtual Virtual
6:30 – 8 pm “Build a Hat Tiling!” featuring Chaim Goodman-Strauss Ages: AllClasses Family Free National Museum of MathematicsVirtual
Oct. 20, 12:30 pm Soul-Stirring Organ Concert at Marble Church During Open House NY Tour Marble Collegiate Church