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This Solving Basic One-Variable Quadratic Equations lesson plan also includes:
- Polynomial and Quadratic Expressions, Equations, and Functions - Module Overview (PDF)
- Polynomial and Quadratic Expressions, Equations, and Functions - Module Overview (Doc)
- Solving Basic One-Variable Quadratic Equations (Doc)
- Solving Basic One-Variable Quadratic Equations (PDF)
- Solving Basic One-Variable Quadratic Equations (Doc)
- Assessment
- Answer Key
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Help pupils to determine whether using square roots is the method of choice when solving quadratic equations by presenting a lesson that begins with a dropped object example and asks for a solution. This introduction to solving by square roots uses more examples in the form a(x-b)^2 to examine the types of equations that can be solved using square roots.
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CCSS:
Designed
Concepts
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Instructional Ideas
- Include some examples that could be solved by factoring to give practice identifying when a method is appropriate
- Use frequent checks for understanding using board work or pair share strategies
Classroom Considerations
- It may be necessary to teach this lesson over multiple days depending on the level of learners
- The sixth exercise in a 26-part series
Pros
- Begins with a real-world example to motivate learners
- Handouts, keys, and a detailed teacher guide are included
Cons
- Opening exercise uses an incorrect equation. The equation used is for a dropped object, but the object is rolling down an incline; recommend omitting the opener or changing it to drop a ball instead