Model the effects of practice on texting speed. Pupils develop a linear equation that models the change in texting speed based on the amount of practice. The sixth performance task in an eight-part series requires learners to solve and explain the solving process of linear equations in one variable. Scholars relate linear equations to problems and vice-versa within the task.

Concepts

linear equations, linear equations applications, linear equations writing, linear, solving for 1 variable, solving equations

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Additional Tags

math

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Instructional Ideas

• Have classmates determine their speed at texting
• Provide opportunities for learners to create their own stories that match equations

Classroom Considerations

• Individuals should know how to solve two-step equations

Pros

• The task has been piloted and revised based upon feedback
• Scoring guide provides important aspects that should be included in the answers

Cons

• None

Common Core

7.EE.B.3 7.EE.B.4.a MP2 MP4