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Lesson Plan: Clock Arithmetic and Cryptography
Go to: http://www.shodor.org/interactivate/lessons/ClockArithmetic/ (opens a new window)
Description: The following discussions and activities are designed to lead the students to practice their basic arithmetic skills by learning about clock arithmetic (aka modular arithmetic) and cryptography.
Technology Type: Java Applet 
Author: Shodor: Project Interactivate
Language: English 
Cost: Does not require payment for use

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Support Materials: Cryptography and Ciphers Dialogue
Clocks and Modular Arithmetic Dialogue
Tools: Caesar Cipher
Caesar Cipher II
Caesar Cipher III
Clock Arithmetic
Courses: Math 3 Operations with numbers, Number sense
Math 4 Operations with numbers, Number sense
Math 5 Operations with numbers, Number sense
Math 6 Operations with numbers, Number sense
Math 7 Operations with numbers, Number sense

Teacher Review (Not based on classroom experience)
Reviewer: jejmb, Jun 10 2008 07:45:38:197PM
Appropriate for: practice of skills and understandings, applications of a concept or technique
Ability to meet my goals: Neutral
Recommended for: Math 6
Read the full length reviews for this resource