Algebra Practice Questions

Class 6 · Mathematics · 531 free MCQs with instant results and detailed explanations.

531

Total

215

Easy

258

Medium

Hard

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Topics in Algebra

Introduction to Variables 223

Equations 115

Expressions 193

Sample Questions from Algebra

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Easy

If y = 3, what is the value of 2y + 4?

A. 10

B. 5

C. 7

D. 8

Show Answer & Explanation

Correct Answer: A

Substituting y with 3 gives 2(3) + 4 = 6 + 4 = 10.

Easy

Which of the following represents a variable?

A. 5

B. x

C. 7 + 3

D. 12

Show Answer & Explanation

Correct Answer: B

A variable is a symbol that represents an unknown value, such as 'x'.

Easy

What is the expression for '3 times a number n'?

A. 3n

B. n3

C. n+3

D. 3+n

Show Answer & Explanation

Correct Answer: A

The expression '3 times a number n' is written as 3n, meaning 3 multiplied by n.

Medium

What does the variable 'x' represent in the expression 2x + 3?

A. A constant value

B. An unknown value

C. Always zero

D. The number 2

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Correct Answer: B

'x' represents an unknown value that can change, which is the essence of a variable.

Medium

Which of the following represents a variable expression?

A. 4 + 3

B. 7 - 2

C. x + 10

D. 5 × 3

Show Answer & Explanation

Correct Answer: C

A variable expression contains a variable (like 'x') along with numbers and operations.

Medium

Which statement about variables is TRUE?

A. Variables cannot change.

B. Variables can represent only positive numbers.

C. Variables can represent numbers of any kind.

D. Variables are always letters.

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Correct Answer: C

Variables can represent any real number, not limited to positives or letters.

Medium

The expression 4x + 3y represents how many terms?

A. 1

B. 2

C. 3

D. 4

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Correct Answer: B

There are two distinct terms: 4x and 3y in the expression.

Hard

If x represents the number of apples and y represents the number of oranges, what does the expression 3x + 2y represent?

A. The total number of apples and oranges combined

B. The number of apples multiplied by 3 and oranges by 2 added together

C. The average number of apples and oranges

D. The difference between the number of apples and oranges

Show Answer & Explanation

Correct Answer: B

The expression 3x + 2y indicates that you are taking three times the number of apples and adding it to two times the number of oranges.

Hard

Which of the following expressions is equivalent to the expression 4(x + 2)?

A. 4x + 8

B. 4x + 2

C. x + 8

D. 2x + 4

Show Answer & Explanation

Correct Answer: A

Distributing 4 to both x and 2 gives you 4x + 8, which matches option A.

Q10

Hard

If a bag contains 'n' red balls and 'n + 3' blue balls, which of the following expressions represents the total number of balls in the bag?

A. 2n + 3

B. n + n + 3

C. n + 3

D. n + (n + 3)

Show Answer & Explanation

Correct Answer: D

The total number of balls is the sum of red and blue balls, expressed as n + (n + 3).

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More Mathematics Chapters

1 Knowing Our Numbers

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2 Whole Numbers

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3 Playing with Numbers

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4 Basic Geometrical Ideas

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5 Understanding Elementary Shapes

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6 Integers

1071 Qs →

7 Fractions

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8 Decimals

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Algebra — Class 6 Mathematics Practice Questions Online

This page contains 531 practice MCQs for the chapter Algebra in Class 6 Mathematics. The questions are organized by difficulty — 215 easy, 258 medium, 58 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.