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“I like the variety of topics covered within a specific area of math. I feel like it really broadened my mathematical knowledge. ”

Teacher Courses

Our courses for teachers are intended to encourage and support excellent teaching of mathematics. The courses are led by highly experienced instructors recognized for their record of outstanding teaching. All courses address both content and methods, and include a wealth of problems and examples. The sessions combine lecture, workshop, and interactive classroom discussion.

To subscribe to announcements about teacher courses, see our contact page.

Spring 2015   top

Gems from Geometry (Registration Closed)

When: Saturdays 10am - 4pm, May 2 and 9. Lunches will be provided.
Where: NYU Courant Institute, 251 Mercer St (map). Room 202.
Instructor: Larry Zimmerman.
Registration fee: $165.

This is a short but scenic voyage slightly outside of the usual realm of secondary school Plane Euclidean Geometry. Highlights include a wealth of sources and resources together with a complement of delightful problems, surprising results and a collection of very useful theorems. Some topics - Collinearity and Concurrency, Cyclic Polygons and Ptolemy’s Theorem, Special Points and Lines associated with Triangles, Circles, Surprising Consequences of the Pythagorean Theorem, and more.

The registration fee covers both sessions, and lunch on both days.

NYMC Teachers' Math & Dinner   (Register)

When: Selected Mondays (see below) in Spring 2015, 5pm - 7pm
Where: NYU Courant Institute, 251 Mercer St (map). Room 1314.
Fee: None!

In this series of informal talks, teachers are invited to discuss mathematics, work on problems, and have dinner together. If you are interested in attending any talk in the series, please register (for free) using the link above. We'll send you reminders in advance. More talks may be added, so please check this page for updates.

Each session includes a mathematical presentation by an invited speaker. After that, we'll head out to a nearby restaurant to continue the conversation over a self-hosted dinner (each participant pays for their own dinner). Topics are selected for their mathematical content, which are of interest to high school, middle school or elementary school math teachers, and participants receive a handout of interesting problems and other information that is relevant to the talk. If you'd like to give a talk or suggest a speaker, please email info@nymathcircle.org.

Scheduled Talks

  • Use of Cuisenaire Rods to Support the Learning of High School Level Mathematics by Dr. Arthur Powell, Associate Professor and Chair of the Department of Urban Education, Rutgers-Newark, Dr. Paula Hajar, Senior Professional Development Specialist, Bronx Charter School for Better Learning, Dr. Ted Swartz, Director of Professional Development, Bronx Charter School for Better Learning. Monday, March 23.

    Session Notes

    Visible and Tangible Mathematics, an approach developed by Caleb Gattegno, rests on an awareness of learners as agents active in creating their understanding of everything they know about or how to do. While mathematics curricula in early elementary grades often rely heavily on “hands-on” manipulatives to promote such understanding, junior high and high school courses generally do not. Visible and Tangible Mathematics, on the contrary, incorporates Cuisenaire Rods to support learners’ mastery of mathematical concepts at all levels, including, for example, quadratic equations. Our workshop will involve participants in creating structures with the rods, designed to promote insight into the algebraic relationships that underpin and produce quadratic equations. The tangible and visible evidence of those relationships fosters deep, satisfying and lasting insight into a subject that can otherwise be dull and/or not easily accessible to many high school students.

    The March 30 presentation has been rescheduled to May 11 (see below).
  • A Potpourri of Delightful Mathematical Curiosities by Joy Hsiao, Math Teacher, NYC DOE. Monday, April 27.

    Session Notes and Origami Instructions

    Join us for an assortment of delicious mathematical treats, including games, magic tricks, origami, and activities. This Math & Dinner talk is intended especially for middle school teachers and parents with elementary to middle school age kids, but of course everyone is welcome.

  • Discovering Pick’s Theorem by Paul Ellis, Manhattanville College and Westchester Area Math Circle. Monday, May 4.

    Session Handout, a Flowchart for Euclid, Book I, and Leslie Lamport's How to Write a 21st Century Proof

    Pick’s Theorem allows one to compute the area of a lattice polygon, knowing just the number of lattice points on its boundary and interior. Participants will be guided through the discovery process of deducing the formula, and proving it.

  • Understanding Infinity by Daniel Zaharopol, Art of Problem Solving Foundation and Summer Program for Mathematical Problem Solving. Monday, May 11.

    Have you ever wondered what it means that there are infinitely many numbers? What does it mean that numbers go on forever? Even more perplexing: is every infinity the same size? Are there more natural numbers, or even numbers, or prime numbers? What about rational numbers, or real numbers?

    It is a miracle of modern mathematics that we can ask and answer questions about infinity. By asking each other simple but provocative questions, we will as a group come up with a definition for what it means when two infinite sets are the same size, or when one is bigger than another.

Past Courses

We had our first full course for teachers in Spring 2008. You can see the listing of past courses here.