Activity:
Modular Arithmetic Lesson 

Go to: 
http://mathforum.org/alejandre/clock.html
(opens a new window)

Description: 
Clock (or modular) arithmetic is arithmetic you do on a clock instead of a number line. Investigate arithmetic using a 12hour, 10hour, and 2hour clock. 
Technology Type: 
Java Applet  
Author: 
Suzanne Alejandre 
Language: 
English  
Cost: 
Does not require payment for use 

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Tools: 
Clock Arithmetic on a 12hour clock 

Clock Arithmetic on a 10hour clock 

Clock Arithmetic on a 2hour clock 
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 
