Application Problem Using an Equation - Target Heart Rate

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Get your heart pumping! A linear equation can compute the target heart rate of an individual based on their age. A thorough lesson demonstrates how to use an equation to calculate the age of an individual given a target heart rate. The application question provides the equation and demonstrates each step of the calculation.

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CCSS: Adaptable
Instructional Ideas

  • Have pupils calculate their own target heart rates; compare them to their heart rate after 20 jumping jacks
  • Ask learners to follow the same structure with each of their application problems
Classroom Considerations

  • Expects experience with substitution and solving an equation
Pros

  • Reinforces checking a solution and writing a complete sentence as an answer
  • Connects linear equations to a real-life application
Cons

  • None