The School Code Breaking Site

Code Breaking Puzzles to Solve for KS3 and GCSE Students

Main Menu

Skip to content
  • Home
  • Code Breaking Competition
    • Code Challenge Level 1
    • Code Challenge Level 2
    • Code Challenge Level 3
    • Code Challenge Level 4
    • Code Challenge Level 5
    • Code Challenge 5Extra
    • Code Challenge Level 6
    • Code Challenge Level 7
  • Leaderboard
    • New Leaderboard
    • Leaderboard Archive
  • Resources
  • Posts
  • About

Category Archives: ISBN

Cracking ISBN and Credit Card Codes

June 14, 2015by Ibmathsresources.com

ISBN codes are used on all books published worldwide. It’s a very powerful and useful code, because it has been designed so that if you enter the wrong ISBN code […]

Read Article →
ISBN

Post navigation

Introduction

This is the School Code Breaking website from British International School Phuket. Maths and code breaking have a long and shared history. The skills that make good mathematicians, problem solving, logical thought and perseverance are the same skills that make great code breakers. Governments and companies that deal in digital data are always on the look out for talented mathematicians - so who knows, maybe one day you could be a professional code maker or code breaker.

  • 1,653,140 views

Recent Posts

  • Alan Turing Cryptography Competition
  • Beale’s Papers and a $65 million uncracked code?
  • Steganography – How to Hide Codes in Pictures
  • One Time Pad – The Uncrackable Code?
  • Cracking Codes Lesson
  • Crypto Analysis to Crack Vigenere Ciphers
  • Using Chi Squared to Crack Codes
  • Elliptical Curve Cryptography
  • Cracking ISBN and Credit Card Codes
  • Aliens and Binary Codes from the Stars
  • RSA Encryption
  • NSA Code Breaking Puzzle
  • Code Challenge Level 1
  • Code Challenge Level 2
  • Code Challenge Level 3
  • Code Challenge Level 4
  • Code Challenge Level 5
  • Code Challenge Level 6
Follow The School Code Breaking Site on WordPress.com
Create a free website or blog at WordPress.com.
  • Follow Following
    • The School Code Breaking Site
    • Join 59 other followers
    • Already have a WordPress.com account? Log in now.
    • The School Code Breaking Site
    • Customize
    • Follow Following
    • Sign up
    • Log in
    • Report this content
    • View site in Reader
    • Manage subscriptions
    • Collapse this bar
 

Loading Comments...