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This Work Problems – Bar Models lesson plan also includes:
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- Answer Key
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Why do we have to do so much work? Scholars learn how to set up bar models to represent a situation involving work. They use these bar models to help set up equations with rational coefficients to solve the problem situation.
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Concepts
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Instructional Ideas
- Use the lesson to introduce work problems leading to rational equations
Classroom Considerations
- Learners should be proficient in solving equations with rational coefficients
- Note that the problems are about the time required for people to complete jobs (like painting) rather than physics work problems
Pros
- Drawing models helps learners see relationships
- Teacher guide includes answer key
Cons
- No student worksheets (besides the warm-up questions)
- Outdated California standards