**Highlights**

### 1. Introduction

### 2. How are Expressions Formed

### 3. Terms of an Expression

### 4. Like and Unlike Terms

5. Monomials, Binomials, Trinomials and Polynomials

6. Addition and Subtraction of Algebraic Expressions

7. Finding the Value of an Expression

8. Using Algebraic Expressions – Formulas and Rules

### Exercise

Problem and Solution.