MathematicsFreePrintable
Writing Variable Expressions
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Writing Variable Expressions
📚 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:
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