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This A Loud Noise assessment also includes:
In a scale measuring noise, an increase in 10 dB is a 10 time increase in power. Mathematicians examine the data graph of a real world exponential growth, with no logarithmic scale, and then create two equations relating the decibels and power in terms of each other.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Conduct a short lesson on logarithmic scales
- Review how to solve complex exponential equations
Classroom Considerations
- Assumes pupils are familiar with the relationship between exponential and logarithmic functions
Pros
- The answer key shows why it is not possible to graph the entire function on the same graph
- Rubric provides descriptions of partial and full credit
Cons
- None