Does your coffee get too cold too fast? Joulies just might be your answer! Learners use experimental data to make a conclusion about how effective Joulies are at keeping coffee at the ideal temperature. A video shows the graph of the temperature of a cup of coffee over time, and scholars must use the data to make their conclusions.

Concepts

math modeling, problem solving strategies

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Additional Tags

math

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Instructional Ideas

• Incorporate during a unit on exponential functions
• Conduct the experiment in class; have pupils graph the time versus temperature results

Classroom Considerations

• Assumes students know how to read a two-variable graph

Pros

• Adaptable to different levels of instruction
• Includes a sample worked-out solution

Cons

• None

Common Core

8.F.B.5 MP1 MP3 MP4