Combine a video with the lesson on combining rational expressions. Young mathematicians first review how to add and subtract rational numbers. They then learn how to apply the same reasoning to add and subtract rational expressions by first rewriting each expression using a common denominator.

Concepts

rational expressions, addition rational expressions, subtraction rational expressions

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Instructional Ideas

• Have the class create a graphic organizer showing the process for adding and subtracting rational expressions
  

Classroom Considerations

• This is the third of five lessons in the Algebra II - Rational Expressions unit
• Learners must be familiar with common denominators
  

• This video is hosted on YouTube

Pros

• Includes a practice packet with additional problems
• Instructors will appreciate the separate answer key
  

Cons

• None

Common Core

HSA-APR.D.6