N-Gen Math 8.Unit 1.Lesson 2.Variables and Expressions

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In this lesson we review what a variable is and what an expression is. We practice evaluating expressions for various values of their input variables. Finally we see how the associative properties of addition and multiplication can be used to write equivalent expressions.
  1. eMATHinstruction
  2. Math 8
  3. Next Generations Math Standards
  4. Kirk Weiler
  5. Variables
  6. Expressions
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