Cryptoclub Using Mathematics to Make And Break Secret Codes

Join the Cryptoclub 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. Ciphers include classic ciphers such as Caesar, substitution, Vigenere, and multiplicative, as well as the modern RSA. Math topics include addition and subtraction with negative numbers, decimals, and percent; factorization; modular arithmetic; exponentiation; prime numbers; and frequency analysis. This book is appropriate for middle grades.Beissinger, Janet is the author of 'Cryptoclub Using Mathematics to Make And Break Secret Codes', published 2006 under ISBN 9781568812236 and ISBN 156881223X.