📚 Part 1: Multiple Choice

1. Samantha has y stickers and gives 5 away. Which expression shows how many stickers she has left?

y - 5

y + 5

5 - y

y × 5

2. A taxi costs t dollars per mile. Which expression shows the cost for 3 miles?

3t

t + 3

t ÷ 3

3 + t

3. Check all that describe a variable n that represents any whole number from 1 to 10 (inclusive):

1 ≤ n ≤ 10

n = 7

n ∈ {1,2,3,4,5,6,7,8,9,10}

n > 0

4. If p stands for the number of pencils you don't know, which best describes p?

an unknown number to be found

any number between 1 and 5

an amount in dollars

a fixed number (for example, 6)

✏️ Part 2: Short Answers

5. Write an expression: You score s points each round for 4 rounds.

6. Write an expression: A shirt costs $c and you pay $8 sales tax. (Include the dollar sign in your expression.)

7. Write an expression and explain: You have m marbles and then get 7 more. _________

Is m an unknown number or any number in a set? Explain in one sentence:

8. Create a short real-world scenario where a variable represents any number in a specified set. Write the situation, the expression, and state the set (e.g., "x is any even number from 2 to 12").

📝 Exit Ticket

9. A plant grows g inches each week. Write an expression for growth after 5 weeks.

10. Quick check: In question 9, is g an unknown number or any number in a set? Write one sentence explaining your choice:

Writing Variable Expressions

Writing Variable Expressions

📚 Part 1: Multiple Choice

✏️ Part 2: Short Answers

📝 Exit Ticket

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