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Finding Variables In An Equation

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This resource explains the concept of variables in equations, focusing on how to use the properties of equality to solve problems involving whole numbers. A variable is an unknown quantity that can represent a number in a given set. The lesson illustrates this with an example: n + 5 = 12, where n is the variable. By rearranging the equation and applying the properties of equality, we demonstrate how to isolate the variable and find its value, ultimately showing that n = 7.

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Finding Variables In An Equation

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  1. Finding Variables In An Equation Standard 5.P.3 Use the properties of equality to solve problems with whole numbers

  2. A variable is an unknown quantity that represents any one of a set of numbers or other objects. An equation is a math sentence that has an equal sign. VOCABULARY

  3. n + 5 = 12 n is the variable in this equation.

  4. THINK… = +

  5. OR… Work backwards 12 – 5 = n

  6. And Finally … n = 7

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