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A Case of the Smelly Sandwich

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A Case of the Smelly Sandwich

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Students use the growth formula to determine how long a rotting sandwich was in a school locker, as well as the growth rate and the number of bacteria in the sandwich.

 

Use this worksheet with its corresponding lesson: Analyzing Change/Growth and Decay Formula

 

Click here for the answer key to the worksheet (PDF)

Teaching Tips

This worksheet is part of the Solving the Unknown with Algebra program, which includes additional lesson plans and printables.

 

 

For more free math programs, visit The Actuarial Foundation's "Expect the Unexpected with Math®" series at www.scholastic.com/unexpectedmath.

 

 

 

 

 

Materials developed by The Actuarial Foundation with Scholastic.