Do the keep, change, flip dance. The resource shows that the division of algebraic fractions follows the same rules as dividing numerical fractions. Pupils understand that if they can multiply rational expressions, they can divide them—simply by finding the reciprocal. Class members practice the skill with the accompanying worksheets.

Concepts

algebraic expressions, algebraic fractions, dividing fractions, rational expressions, simplify rational expressions

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Additional Tags

math

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Instructional Ideas

• Provide a mini lesson when canceling works and when it does not

Classroom Considerations

• Individuals should know how to factor algebraic expressions
• Assumes scholars can multiply algebraic fractions

Pros

• Provides several opportunities to practice beginning with simple moving to more advanced
• Provides an answer key for quicker grading
  

Cons

• None

Common Core

HSA-APR.D.7 MP6 MP7 MP8