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Instructional Video

Modeling Change with Equivalent Equations ax + b = c

Curated and Reviewed by Lesson Planet

Mix it up while representing changes in a drink recipe. Using a scenario about making a party drink, the video creates an equation. The process uses equivalent expressions on each side of the equation to build the final equation. By changing the final results, the equation is modified to determine a different starting point.

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CCSS: Adaptable
Concepts
two-step equations, linear equations, linear equations writing, equivalent equations, equivalent, solving equations, solving for 1 variable, one variable equations
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Additional Tags
math
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Instructional Ideas
  • Have class members create a scenario to model with a similar two-step equation
Classroom Considerations
  • Individuals should know how to solve a two-step equation
  • Pupils must be comfortable with the basic order of operations
  • This video is hosted on YouTube
Pros
  • Shows the several steps in arriving at the equation
  • Includes closed captioning if needed
Cons
  • None