🧠 Grade 5 Math Quiz · 3. Algebra

Understand variables Practice Questions

70 Grade 5 questions on Understand variables. Choose an answer to get instant feedback and a short explanation — the first 10 are free.

In the sentence 'x is the number of apples', what does x stand for?

Explanation: Wonderful! x is a variable — it can stand for different numbers. You're doing so well understanding variables!

If y = 7, what is y + 5?

Explanation: Excellent! Replace y with 7: 7 + 5 = 12. Great job!

Let n be the number of students. If n = 25, what is n + 10?

Explanation: Wonderful! n = 25, so 25 + 10 = 35. Super!

Sara has x pencils. If x = 18, how many pencils does she have?

Explanation: x stands for 18. She has 18 pencils. Champion!

In the expression 3 × k, if k = 4, what is the value?

Explanation: 3 × 4 = 12. You understood the variable perfectly!

Let m be the number of minutes. If m = 45, what is m ÷ 5?

Explanation: 45 ÷ 5 = 9. Real-life time problem with variable!

What does the variable x mean in 'x + 6 = 15'?

Explanation: x is the unknown number. We solve to find x = 9. Excellent!

If p = 12, what is 2 × p + 5?

Explanation: 2 × 12 = 24, 24 + 5 = 29. Great work with variables!

Emma has y stickers. If y = 30 and she gives away 12, how many left?

Explanation: 30 - 12 = 18. You used the variable correctly!

Let c be the cost of one candy. If c = 2, what is 8 × c?

Explanation: 8 × 2 = 16. Real shopping with variable. Champion!

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