Tool:
Number Triangle Level 1 
Screenshot:

Go to: 
http://mathforum.org/.../number%20triangle_1.html
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Description: 
First level in a set of three Number Triangle activities. They are an electronic version of flash cards emphasizing fact families. An addition/subtraction Number Triangle has two addends and a sum; a multiplication/division Number Triangle has two factors and a product. Given any two numbers in the triangle, the user figures out the third. 
Technology Type: 
Flash  
Author: 
Quincy Brown 
Language: 
English  
Cost: 
Does not require payment for use 

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Tools: 
Number Triangle Level 2 

Number Triangle Level 3 
Courses: 
Math 2 
Addition, Subtraction, Mental math 
 Math 3 
Addition, Subtraction, Mental math 
 Math 4 
Addition, Subtraction, Mental math 
