1. Which expression means '5 more than x'?
- Ax + 5
- Bx - 5
- C5x
- D
Show answer
Answer: A) x + 5
'More than' means addition, so 5 more than x is x + 5.
Class 6 Forming Expressions — practice questions with answers
Algebra · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
2. Write an expression for 'the sum of x and y, multiplied by 2'.
- A2(x + y)
- B2x + y
- Cx + 2y
- D2xy
Show answer
Answer: A) 2(x + y)
First form the sum x + y, then multiply the whole sum by 2: 2(x + y).
3. A taxi charges ₹50 fixed plus ₹12 per kilometre. For k km the fare is:
- A50 + 12k
- B12 + 50k
- C62k
- D50k + 12
Show answer
Answer: A) 50 + 12k
Fixed ₹50 plus ₹12 for each of k km gives 50 + 12k.
4. A bus has d seats downstairs and twice as many seats upstairs.
Write an expression for the total number of seats in the bus.
Write an expression for the total number of seats in the bus.
- A3d
- B2d
- Cd + 2
- D2d + 1
Show answer
Answer: A) 3d
Upstairs has 2d seats; total = d + 2d = 3d seats.
5. Two numbers add up to a fixed total of 100.
If one number is x, write an expression for the other number,
and then for the product of the two numbers.
If one number is x, write an expression for the other number,
and then for the product of the two numbers.
- A100 - x; x(100 - x)
- Bx - 100; x(x - 100)
- C100 + x; x(100 + x)
- D100 - x; 100x
Show answer
Answer: A) 100 - x; x(100 - x)
Since both add to 100, the other number is 100 - x. Their product is x times (100 - x) = x(100 - x).
Practise all 50 questions free →
10 free questions a day without an account — unlimited with a free account.