As a middle school assessment task, learners first two write equations representing their purchase of chips and candy bars. They then solve the system of equations to find the price of each item.

Concepts

writing equations, linear equations, linear equations applications, systems of linear equations

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Additional Tags

math

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Instructional Ideas

• Use the task as part of an assessment on systems of equations

Classroom Considerations

• Resource requires learners to be able to fluently convert between dollars and cents
• Pupils need to be able to write linear equations and solve systems of linear equations

Pros

• Context is one most learners can relate to
• Includes answer key

Cons

• Rubric uses ft rather than pt

Common Core

8.EE.C.8.a MP2 MP3 MP6 MP7