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Objectives:
- Understand the basic concepts of algebraic expressions. 
- Learn how to simplify expressions and solve basic equations.

Materials Needed:

- Whiteboard and markers 
- Algebra tiles (optional) 
- Worksheets for practice 

Lesson Outline:
1. Warm-Up (10 minutes)
   - Start with a few simple math problems to refresh students’ arithmetic skills. 
   - Discuss the importance of algebra in real-life situations.

2. Introduction to Algebra (15 minutes)
   - Explain what algebra is and why it is useful. 
   - Introduce variables, constants, and coefficients. 
   - Write examples on the board and encourage students to identify each component.

3. Simplifying Expressions (15 minutes)
   - Demonstrate how to combine like terms. 
   - Provide examples and solve them together with the class. 
   - Allow students to practice on their own with a worksheet.

4. Solving Basic Equations (15 minutes)
   - Teach students how to isolate the variable in an equation. 
   - Work through a few examples as a class. 
   - Give students practice problems to solve individually.

5. Closure (5 minutes)
   - Review key concepts learned during the lesson. 
   - Answer any questions and assign homework for further practice.