Online registration is closed for this event. If available, tickets on the day of the event may incur an additional charge.

Family Fridays:
"Tooti Tooti"

Friday, May 20 at 6:30 pm ET (New York)


Create symmetrical tiling patterns using an ordinary envelope in this 2021 Rosenthal Prize–winning activity.  Explore the bigger connection between symmetries and surfaces, all with paper, scissors, and tape, led by mathematician and artist Chaim Goodman-Strauss, who has been involved with math education and outreach for thirty years. 

This is a live-streamed broadcast of an in-person event.  Occasional video recordings are made available for a fee at

May 20th, 2022 from  6:30 pm to  8:00 pm
MoMath Online
United States