Percent Error Problems

Individuals measure a computer monitor and determine how accurate their measures are. The eighth segment in a series of 20 introduces the concept of percent error. Pupils find the percent error of their measurements and discuss the reason finding error using percents makes sense. The class also learns how to approximate the percent error if the actual measurement is not known.

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CCSS: Designed
Instructional Ideas

  • Lead a discussion on when a fraction is the smallest or largest when the numerator is constant
Classroom Considerations

  • Resource requires a computer monitor to measure
  • The class should be familiar with absolute value
Pros

  • The scaffolding includes instructional strategy suggestions
  • Answer key contains the steps needed to arrive at the solution
Cons

  • None
Common Core