Simplifying Rational Expressions

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Theme:

Algebra: Rational Expressions

Grades:

9 - 12

Subject:

Math

Duration:

45–60 minute period

Standards
& Goals:

New Jersey Core Curriculum Content Standards
4.3.12 D. Procedures
1. Evaluate and simplify expressions.

  • Divide a polynomial by a monomial 
  • Perform simple operations with rational expressions 
  • Evaluate polynomial and rational expressions

2. Select and use appropriate methods to solve equations and inequalities. 

  • Quadratic equations – factoring (including trinomials
    when the coefficient of x2 is 1)

Note that standards in this lesson plan are for example only. This lesson can be easily adapted to meet your state's specific standards.

Objectives:

Students will:

  • Define rational expression.
  • Determine the restrictions (excluded values) on the domain of given rational expressions.
  • Simplify rational expressions by applying their knowledge of factoring polynomials.
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