Understand How Variables are Used

Don't let your learners get confused with expressions. This video shows step-by-step how to write expressions and what each part means. Reviews the difference and similarities between numerical and algebraic expressions. Go through two examples of writing expressions and use a table to plug in different numbers. Use with other videos in the series (this is the first of five) for practice on writing algebraic expressions.

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CCSS: Designed
Classroom Considerations

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Pros

  • Good as introduction to lesson
  • Uses table to evaluate expression
  • Notes template provided as graphic organizer
Cons

  • Only does two examples
  • No guided practice provided
Common Core