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Northwest Mathematics Interaction

Numbers! From Common Divisors to Cryptography
July 30 - August 3, 2007

( Sunday evening July 29 optional but strongly recommended)

Math Content of this Course

In this Park City style non-lecture course, participants will explore many areas of number theory, from K-12 topics such as the division algorithm for numbers and polynomials to current applications including RSA encryption. Along the way, we'll work with difference tables, modular arithmetic, and continued fractions, and see mathematics from Euclid, Diophantus, Fermat, and Gauss.

Come create mathematical connections between topics you teach and major contemporary applications.

Format of Park City Math Courses

The IAS/Park City Mathematics Institute offers a renowned series of problem-based math courses for teachers in Utah each summer. These courses are notable in that they are based on teachers doing math problems together at tables and that they start at very basic math and end up in surprising and beatiful results.

The NWMI course is based on one of these Park City courses. The instructor, Brian Hopkins has served as instructor and table leader for the course in Park City, as well as teaching at NWMI for many summer.

  • PLUS a rich and relaxed optional program of After-Dinner Math.
HS and MS Teachers who wish to expand their mathematical horizons while experiencing the learning of math through investigation in a friendly and supportive atmosphere.

Washington Teachers: $75 before June 15. $100 after. Deadline: Until class is filled.
Out-of-state Teachers: See Cost Page at this link.

Five breakfasts and four lunches are included.

For Washington teachers: Lodging is included for Sunday through Thursday nights.
Out-of-state Teachers: See Cost Page at this link.


Applications for credit or clock hours will be made on site when you arrive.

Thirty-one Clock hours will a available for an additional cost of $2.00 per hour. You can also include up to 8 additional hours for After-Hour Math. Payment for clock hours is by check only, not credit card. Be sure to bring your checkbook for clock hours

Two UW credits of Math 497 will be available for an additional cost of $180. Payment for UW credit is with credit card or check. (For UW math credit, 6 additional hours of After-Dinner Math are required.)

  • Sun 7/29: 7-9 PM -- an optional evening program to kick off the week and provide information!
  • Mon-Thu 7/30-8/2: From 8:30 AM to 4:30 PM - a full day of great geometry.
  • Fri 8/3: 8:30 AM - 11:30 AM - a last morning of activities.
  • Mon-Thu 7:30-9:30 - Optional After-Dinner Math
APPLICATION FORM Link to Printable Application Form
COST TABLE Link to Cost Table

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