Wait, there is an estimate for how much that weighs. The resource contains three questions about weight. Using dimensional analysis and benchmarks, pupils determine a reasonable weight for trash, food, and a grain of salt.

Concepts

weight, food, dimensional analysis, salt

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Additional Tags

math

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Instructional Ideas

• Bring in examples of a day's worth of trash, a grain of salt, and the amount of food eaten by a person in a day

Classroom Considerations

• The class should be familiar with Fermi type problems
• Expects individuals are comfortable with dimensional analysis

Pros

• Denotes the mathematical big ideas incorporated in the task
• Contains an example of how to approach the problems

Cons

• Answer key only includes one solution

Common Core

HSN-Q.A.2 MP1 MP4 MP6