Real-World Expression Applications

Name:

Date:

🎯 Learning Goals

I can...

• Write algebraic expressions to represent real-world word problems using variables

• Interpret expressions that represent real-world situations

• Explain how variables and operations in expressions connect to real-life contexts

📝 Part 1: Writing Expressions from Real-World Situations

1. Sarah earns $8 per hour babysitting. Write an expression to show how much money Sarah earns if she works h hours.

2. A movie ticket costs $12, and popcorn costs $5. Write an expression to show the total cost for t movie tickets and t bags of popcorn.

3. Jake has 25 baseball cards. His friend gives him some more cards. Write an expression to show how many cards Jake has now if he receives c more cards.

4. A pizza is cut into 8 slices. Write an expression to show how many slices there are in p pizzas.

🔍 Part 2: Interpreting Expressions

5. The expression 15 + 3x represents the total cost of something. What could this situation be? Explain what 15, 3, and x represent.

6. Match each expression to the correct real-world situation:

A. 20 - m

B. 6n

C. 45 + d

1. Cost of n items at $6 each

2. Temperature after it rises d degrees from 45°F

3. Money left after spending m dollars from $20

7. Create your own word problem that can be represented by the expression 10w + 5. Then explain what each part means.

8. Challenge: Write an expression for this situation: "A gym charges a $25 membership fee plus $15 for each month you attend. What is the total cost for m months?"