Batter up! As an assessment task, learners write linear functions to model the cost of baseball jerseys. They then determine which of two companies would charge a cheaper rate to buy baseball jerseys.

Concepts

linear functions, systems of linear equations, creating equations

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Additional Tags

math

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Instructional Ideas

• Include as a question on an assessment for writing and analyzing linear functions

Classroom Considerations

• Learners need to be able to create linear functions
• Pupils should know how to set up and solve equations with variables on both sides

Pros

• Simple context is easy for your class to understand
• Resource includes answer key

Cons

• Order of questions on rubric is different from that of the task (switches #3 and #4)

Common Core

8.F.B.4 MP2 MP3 MP6 MP7