The Cryptoclub

The Cryptoclub: Using Mathematics to Make and Break Secret Codes

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Paperback
ISBN 9781568812236
Cat# K00700

$41.95

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Summary

Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substitution, Vigenère, and multiplicative ciphers as well as the modern RSA. Math topics covered include: - Addition and Subtraction with, negative numbers, decimals, and percentages - Factorization - Modular Arithmetic - Exponentiation - Prime Numbers - Frequency Analysis.

The accompanying workbook, The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes provides students with problems related to each section to help them master the concepts introduced throughout the book. A PDF version of the workbook is available at no charge on the download tab, a printed workbook is available for $19.95 (K00701).  The teacher manual can be requested from the publisher by contacting the Academic Sales Manager, Susie Carlisle

Editorial Reviews

One of the holy grails of education is making math fun, without reducing its rigor. Many people attempt this task, but few succeed. I believe that Janet Beissinger and Vera Pless are among the rare success stories with their book … it is a fabulous supplement to more traditional curriculums. Pattern recognition, probability, prime numbers, exponents, modular arithmetic, factoring, organizing data, and inverses are among the topics that the book explores in a meaningful and interesting way. Even more important, it gives young (or maybe not so young!) students an opportunity to practice rigorous critical thinking in a meaningful context. Code cracking is a great example of open-ended problems that require tenacity, organization, and creative thinking to solve.
—Jessie Mathisen, Articles for Reading, November 2009

Students Tackle Cryptography—University of Illinois at Chicago professors craft program to show middle schoolers that problem solving is fun.
The Chicago Tribune, July 2009

The Cryptoclub is very clearly written and illustrated, in full color, and clearly laid out. I truly enjoyed The Cryptoclub. It is SO interesting! How could you lay a book down when there is a secret message to unravel!… This book is perfect for motivating teenagers’ interest in math. It lets them study something fascinating outside the main curriculum — cryptography — which is at the same time a highly useful application of math.
—Homeschool Math, October 2007

The Cryptoclub is more than just a math book: a story line is woven around each type of code, making it more interesting for students. This book could serve as a resource for enrichment or gifted programs [and] could easily be incorporated into a cross-curricular thematic unit.
—Judith Casey, NCTM, August 2007

A fine book that introduces middle school pupils to coding … Despite its challenging mathematical content, there is nothing dry about this book. All the techniques employed for modern children’s books are used here to good effect: a story line to connect the topics, with coloured illustrations, boxes to set of examples and exercises, as well as a number of historical anecdotes set on special pages.
CMS Notes, March 2007

Mathematical material is brought to life with fictionalized stories about a group of ‘Cryptokids’ as well as true stories from the history of cryptography.
—Book News, December 2006

The Cryptoclub presents a number of different systems of encryption and methods of breaking them … Each type of cipher is presented in detail and exercises are included, allowing students to apply the techniques presented. The Cryptoclub also includes short descriptions of famous examples of secret codes, including the Beale Ciphers, the Zimmerman telegram, and the German Enigma cipher. The Cryptoclub is intended for middle-school students, and could be used for classroom teaching or as a supplemental or recreational book for students interested in cryptography. However, the potential appeal is much broader: the simplest ciphers could be solved by a child in grade school, and much of The Cryptoclub can be enjoyed by adults as well.
—Sarah Boslaugh, MAA Reviews, October 2006

Listen to a video review of the book at http://www.republicofmath.com/cryptoclub-review

Downloads / Updates

Resource OS Platform Updated Description Instructions
Cross Platform October 15, 2010 web links click on http://cryptoclub.math.uic.edu/indexmain.html
Workbook.pdf Cross Platform April 14, 2011 WorkBook