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Instructional Video

Find an Age Given An Average Age and Relationship Between Two Ages (Example)

Curated and Reviewed by Lesson Planet

Apply solving linear equations to averages. A helpful video presents an average age problem given two unknown ages. Pupils learn how to set up the problem from the given information. They see how the equation is reduced to a two-step equation and solve to find the unknown ages.

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CCSS: Adaptable
Concepts
solving equations, solving for 1 variable, averages, word problems, two-step equations, combining like terms
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Additional Tags
math
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Instructional Ideas
  • Review what it means to find an average
Classroom Considerations
  • Assumes learners are familiar with solving two-step linear equations
  • Requires knowledge of combining like terms
  • This video is hosted on YouTube
Pros
  • Shows each step in solving the linear equation
  • Clearly writes out the solution to the problem
Cons
  • None