The Case of the Doubtful Distance
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The Case of the Doubtful Distance
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for use with interactive white boards.
Students use proportions and the formula distance = rate time to determine the best route to travel to an event. They use a map's scale and coordinates to calculate the distance of three alternate routes. Rates for each route are given, and then students use algebra to calculate the travel time for each route.
Use this worksheet with its corresponding lesson: Using Mathematical Models/Proportions
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.
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