Give the class a mental work out with an assessment task in which young mathematicians compare several gym membership options. They use substitution to calculate the cost for given numbers of months.

Concepts

equations, variables, dependent variables, independent variables

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Additional Tags

math

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Instructional Ideas

• Use the task as part of a unit assessment

Classroom Considerations

• If expecting learners to solve algebraically, some parts of the task may be beyond grade level (multi-step equations); preview the task to ensure it is appropriate for class members
• Individuals need to be able to create algebraic expressions and equations and use substitution to solve

Pros

• Includes statistics and commentary from prior administrations of the task
• Sample scored student work shows examples of the application of the rubric

Cons

• Rubric includes arithmetic solutions despite the fact that the task is supposed to assess standards on algebra

Common Core

6.EE.B.5 6.EE.B.6 6.EE.C.9 MP1 MP4