Now that learners figured out how to solve for one variable, why not add another? The lesson demonstrates, through examples, how to solve a linear system using graphing, substitution, and elimination.

Concepts

solving systems by graphing, systems of equations, elimination method, substitution method

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Additional Tags

math

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Instructional Ideas

• Use the provided resource to develop a lesson presentation
• Provide learners with examples of situations that would be efficient to solve with each method

Classroom Considerations

• Resource does not reference graphing calculators; supplement depending on the needs of your classes
• The 18th in a series of 20 algebra lessons

Pros

• Provides a set of practice problems for repetition practice

Cons

• Problems do not use context, which leaves the process abstract and without meaning

Common Core

HSA-REI.C.5 HSA-REI.C.6