Tool:
Diffy 
Screenshot:

Go to: 
http://nlvm.usu.edu/en/nav/frames_asid_326_g_2_t_1.html
(opens a new window)

Description: 
Solve an interesting puzzle involving the differences of given numbers. 
Technology Type: 
Java Applet  
Guide: 
User's Guide
(opens a new window)

Author: 
National Library of Virtual Manipulatives (Utah State University) 
Language: 
English  
Cost: 
Does not require payment for use 

Average Rating: 
[1]

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Discussions: 
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Tool: 
Base Blocks Subtraction 
Courses: 
Math 1 
Subtraction 
 Math 2 
Subtraction 
 Math 3 
Subtraction, Subtracting decimals 
 Math 4 
Subtraction, Subtracting fractions, Subtracting decimals 
 Math 5 
Subtraction, Subtracting fractions, Subtracting decimals 
 Math 6 
Subtraction, Subtracting fractions, Subtracting decimals 
 Math 7 
Subtracting fractions, Subtracting decimals 
