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What do you do when the x's cancel out? Don't let pupils panic when they eliminate the variable while solving an equation. A thorough lesson describes the situations that produce one, infinite, and no real solutions. The narrator discusses these types of equations by classifying them as conditional, identity, and contradiction.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Have learners record notes in graphic organizers showing examples of each equation type
- After the lesson, ask pupils to write a definition of conditional, identity, and contradiction in their own words
Classroom Considerations
- Expects proficiency in solving multi-step equations
- This video is hosted on YouTube
Pros
- Emphasizes algebraic vocabulary throughout
- Includes examples with both integers and fractions
Cons
- None