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This The Defining Equation of a Line lesson plan also includes:
- The Defining Equation of a Line - Teacher Version (doc)
 - The Defining Equation of a Line - Student Version (pdf)
 - The Defining Equation of a Line - Student Version (doc)
 - Grade 8 Module 4: Teacher Materials
 - Grade 8 Module 4: Student Materials
 - Grade 8 Module 4: Copy Ready Materials
 - Math Fluency Support for Grades 6-8
 - Answer Key
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They appear to be different, yet they are the same line. Part 24 out of 33 lessons provides a theorem about the relationships of coefficients of equivalent linear equations. Pupils use the theorem to determine whether two equations are equivalent and to create equivalent equations.
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Instructional Ideas
- Conduct a short review of the arrangement of proportions that maintain the proportional relationship
 
Classroom Considerations
- Requires graph paper
 - The proof section of the discussion is optional
 
Pros
- Lesson plan contains alternative exercises if the proof is not used
 - Resources are available in document form, which allows for easy alteration to meet specific needs
 
Cons
- None
 
