Tool:
Variables and Unknowns 
Screenshot:

Go to: 
http://mathforum.org/te/exchange/hosted/link/LFTMZVariables.ppt
(opens a new window)

Description: 
This is a PowerPoint lesson on variables designed with the middle schooler in mind. The lesson uses color, sound, and animation to effectively illustrate necessary concepts and procedures. Students are shown how to substitute the value of a variable in place of the variable's symbol in an algebraic expression. The concept of solving an equation for an unknown variable value is also presented. 
Technology Type: 
PowerPoint  
Author: 
Don Link 
Language: 
English  
Cost: 
Does not require payment for use 

Average Rating: 
[4]

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Courses: 
Math 5 
Algebra and expressions, Variables 
 Math 6 
Algebra and expressions, Variables 
 Math 7 
Algebra and expressions, Variables 
 Algebra 
Use of Variables 


profmathy 
Comment:  it gets right to the point. Gives good visualization of substituting answers. 

calico 
Comment:  Simple, engaging, easy to follow, colorful and pertinent. 
