Fun with Codes and Ciphers Workbook PDF Download
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Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486254050
Category : Juvenile Nonfiction
Languages : en
Pages : 54
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Book Description
Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.
Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486254050
Category : Juvenile Nonfiction
Languages : en
Pages : 54
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Book Description
Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.
Author: Martin Gardner
Publisher: Courier Corporation
ISBN: 9780486247618
Category : Juvenile Nonfiction
Languages : en
Pages : 100
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Book Description
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Author: Martin Gardner
Publisher: Courier Corporation
ISBN: 0486320316
Category : Games & Activities
Languages : en
Pages : 100
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Book Description
Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 diagrams.
Author: Norma Gleason
Publisher:
ISBN: 9780613943901
Category :
Languages : en
Pages :
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Book Description
Decode 68 secret messages--backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.
Author: Bud Johnson
Publisher: Courier Corporation
ISBN: 0486291464
Category : Juvenile Nonfiction
Languages : en
Pages : 86
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Book Description
Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.
Author: John Redden
Publisher: Lulu.com
ISBN: 1387346083
Category : Education
Languages : en
Pages : 58
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Book Description
The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up to the Vigenère cipher. Along the way, readers will also learn about geometric approaches to secret codes such as the Pigpen cipher. As a bonus, there is a brief description of frequency analysis and how it is used to crack secret codes. frper gpbqr obbx In addition, this book actively challenges readers with practice missions where answers are listed in the back. Also, there is a cut-out rotation template that is provided to make your very own cipher disk! After reading this book, you will have all the basic tools needed to create secret messages.
Author: Alexander D'Agapeyeff
Publisher: Read Books Ltd
ISBN: 1473350913
Category : Computers
Languages : en
Pages : 153
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Book Description
This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes and ciphers to protect secrets, and it has a long and interesting history. This fantastic volume offers a detailed history of cryptography from ancient times to modernity, written by the Russian-born English cryptographer, Alexander D'Agapeyeff. The contents include: - The beginnings of Cryptography - From the Middle Ages Onwards - Signals, Signs, and Secret Languages - Commercial Codes - Military Codes and Ciphers - Types of Codes and Ciphers - Methods of Deciphering Many antiquarian texts such as this, especially those dating back to the 1900s and before, are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition. It comes complete with a specially commissioned new biography of the author.
Author: Janet Beissinger
Publisher: CRC Press
ISBN: 1498747760
Category : Mathematics
Languages : en
Pages : 213
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Book Description
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
Author: Paul B. Janeczko
Publisher: Candlewick Press
ISBN: 9780763629724
Category : Juvenile Nonfiction
Languages : en
Pages : 148
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Book Description
Presents history, trivia, and code-breaking tales in a guide book to the world of secret writing that includes examples of a variety of codes and ciphers.
Author: AMEET Publishing
Publisher: Studio Fun International
ISBN: 9780794448394
Category : Juvenile Fiction
Languages : en
Pages : 64
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Book Description
Create and re-create your very own bracelet designs with this fun LEGO(R) DOTS book that includes two bracelets, DOTS bricks, and more than 50 awesome ideas for how to use the materials to create coded messages! There’s tons of imaginative fun to be had with this super-secret LEGO(R) DOTS book! You and your friends will love the two bracelets, 36 DOTS bricks (with glow-in-the-dark, glitter, and printed options!), and 50+ ideas for coding messages. The letter, number, pattern, and color ciphers will even help you create your own secret language! With stickers, secret message note cards—plus everything you need to uncover different ways to write, draw, and sticker coded messages—this book is full of nonstop, secret-coding fun! LEGO, the LEGO logo and the Brick and Knob configurations are trademarks and/or copyrights of the LEGO Group. (c)2021 The LEGO Group. All rights reserved. Manufactured by AMEET Sp. z o.o. under license from the LEGO Group.