Rational expressions are just fancy fractions! Pupils apply fractions concepts to rational expressions. They find equivalent expressions by simplifying rational expressions using factoring. They include limits to the domain of the expression. 

Concepts

rational expressions, simplify rational expressions, factors, domain, equivalent fractions

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Additional Tags

math

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Instructional Ideas

• Use to teach simplifying simple rational expressions
• Perform board work to check for understanding and correct misconceptions

Classroom Considerations

• Pupils should be proficient at factoring quadratic expressions
• The 23rd in a series of 42 lessons.

Pros

• Includes detailed teaching guide and scaffolding suggestions
• Provides opening and closing activities along with a set of practice problems

Cons

• None

Common Core

HSA-APR.D.6 MP7 MP8