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Tool: Variables and Unknowns
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Go to: http://mathforum.org/te/exchange/hosted/link/LFTMZ-Variables.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] Login to rate this resource
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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.