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Algebra Expressions Introduction

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Algebra Expressions Introduction

Algebraic expressions with variables and numbers

📚 Part 1: Understanding Algebraic Expressions

1. Which of these is an algebraic expression?

5 + 3

2x + 7

15 - 8

4 × 6

2. In the expression 5x + 3, what is the coefficient of x?

x

5

3

5x

3. In the expression 4a - 2b + 9, which parts are constants?

4

a

2

9

4. Circle the variables in this expression: 7y + 3x - 5

7y + 3x - 5

✏️ Part 2: Identifying Like Terms and Simplifying

5. Which terms are like terms with 3x?

7x

3y

-2x

x

6. Simplify: 4x + 2x

Answer: ___________

7. Simplify: 5y - 3y + 7
8. Simplify: 3a + 2b + 4a + b

🎯 Part 3: Apply Your Understanding

9. Write an algebraic expression for "5 more than 3 times a number n"

Expression: ___________

10. Explain in your own words what makes two terms "like terms".
11. Create your own algebraic expression with at least 3 terms that can be simplified. Then simplify it.

My expression: ________________________

Simplified form: ________________________

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