Write a Linear Equation in One Variable App: Depreciation

Unfortunately, most items lose value over time. The lesson presentation shows how to model this depreciation with a linear expression. After writing the expression, the instructor demonstrates how to use it to predict the time it takes for the item to reach a specified value.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Review the meaning of appreciation and depreciation prior to the lesson
  • Incorporate the video lesson on a day that requires a substitute
Classroom Considerations
  • Expects previous experience with linear modeling
  • Presents the answer to the application question in a complete sentence
  • Provides an option for closed captioning to support note taking
  • None