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This Equations Involving a Variable Expression in the Denominator lesson plan also includes:
- Relationships Between Quantities and Reasoning with Equations and Their Graphs - Module Overview (PDF)
- Relationships Between Quantities and Reasoning with Equations and Their Graphs - Module Overview (Doc)
- Equations Involving a Variable Expression in the Denominator (Doc)
- Equations Involving a Variable Expression in the Denominator (PDF)
- Equations Involving a Variable Expression in the Denominator (Doc)
- Assessment
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0/0 doesn't equal 0! Begin this lesson by allowing the class to explore the concept of dividing by zero. The introduction allows for discovery and provides meaningful examples of dividing by zero. This understanding leads to solving simple rational equations and comparing solutions to the excluded solution set.
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Instructional Ideas
- Use to introduce the concept of excluding possible solutions
- Allow class members to collaborate on the first exercise to encourage discussion
Classroom Considerations
- Experience solving proportions or rational equations is necessary
- The 19th in a series of 30 related resources
Pros
- Includes all handouts, keys, and a detailed teacher guide
- Discovery lesson that encourages understanding rather than memorization
Cons
- None