Math Teachers' Circle (MTC)

February 7, from 4:30 pm to 7:00pm
TOPIC: Getting tangled up with math: Fun with knots and Moebius strips
Rutgers University Busch Campus, Piscataway
Facilitators: Patrick Devlin and Rebecca Coulson, Rutgers University
RSVP by February 5 to

Save the dates:
Februrary 28 (Tuesday) @ Toms River
Rutgers Busch Campus: April 4 (Tuesday); June 1 (Thursday)
Toms River: February 28 (Tuesday); April 27 (Thursday); June 6 (Tuesday)


  • Can you make any of these knots with a rubber band without cutting it?
  • Which of these knots are the same? Which are different?
  • What does it mean for a knot to be more complicated than another?

What’s in it for you?

-      A chance to think about math problems for fun

-      A chance to talk informally with other K-12 teachers

-      Professional Development (PD) hours

-      Free dinner* & No registration fee*

-      Attend whenever you can at either location

Bring a guest!  You are encouraged to bring an interested fellow math teacher (please let us know your guest’s name and email address).

For more information & upcoming session dates:

  • Rutgers & Jersey Shore MTC: RUMTC website
  • Math Teachers’ Circle Network:
  • Email Iuliana at

Organizing Committee for both MTCs

  • Ann Bomberger, Sayreville Middle School; Chris Keil, Toms River Intermediate North
  • Cecilia Arias & Iuliana Radu, Rutgers Math Department
  • Amy Cohen, Rutgers Math Department (Professor Emeritus)

* Support from the following is gratefully acknowledged: Math AIP at Rutgers, American Institute of Mathematics, Math Sciences Research Institute, and anonymous donation(s)