Mathematics 8 Quarter 1 – Module 5B: “Adding and Subtracting Similar and Dissimilar Rational Algebraic Expressions”

This module covers key concepts of operations on rational algebraic expressions divided into lessons. This material gives you the opportunity to use your prior knowledge and skills in dealing with operations on rational algebraic expressions. You are also given varied activities to process your knowledge and skills learned to deepen and transfer your understanding of the different lessons.

This module is divided into the following lessons:

  • Lesson 1: Adding and Subtracting Similar Rational Algebraic Expressions; and
  • Lesson 2: Adding and Subtracting Dissimilar Rational Algebraic Expressions.

In going through this module, you are expected to:

1. Define similar rational algebraic expressions;

2. Add and subtract similar rational algebraic expressions;

3. Define dissimilar rational algebraic expressions;

4. Add and subtract dissimilar rational algebraic expressions; and

5. Relate operations of rational algebraic expressions in real-life situations.


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