Vidaara.orgClass 6 · Mathematics
CodeVID-M06-08-WEX-01
Writing Expressions - Assignment
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
"$5$ more than $x$" is:
- A.$5x$
- B.$x+5$
- C.$x-5$
- D.$\tfrac{x}{5}$
2.
"Twice a number $x$" is:
- A.$x+2$
- B.$2x$
- C.$x^2$
- D.$\tfrac{x}{2}$
3.
"A number decreased by $3$" is:
- A.$3-x$
- B.$x-3$
- C.$3x$
- D.$x+3$
4.
"The product of $4$ and $x$" is:
- A.$4+x$
- B.$4x$
- C.$x-4$
- D.$\tfrac{x}{4}$
5.
A variable represents:
- A.a fixed number
- B.an unknown number
- C.a unit
- D.an operation
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Write "$7$ more than a number $x$".
7.
Write "three times a number $n$".
8.
Write "a number $y$ decreased by $5$".
9.
Write "the sum of $x$ and $9$".
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Write "$5$ less than twice a number $x$".
11.
Write "the cost of $n$ pens at Rs $10$ each".
12.
Write "half of a number $x$ increased by $4$".
13.
Write "the total of $x$ apples and $6$ more".
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
A taxi charges Rs $50$ plus Rs $12$ per km. Write an expression for the cost of a ride of $x$ km.
15.
A rectangle's length is $3$ cm more than its width $w$. Write expressions for its length and its perimeter.
Answer Key
Section A — Multiple Choice Questions
- (B) $x+5$
- (B) $2x$
- (B) $x-3$
- (B) $4x$
- (B) an unknown number
Section B — Short Answer (2 marks)
- $x+7$.
- $3n$.
- $y-5$.
- $x+9$.
Section C — Short Answer (3 marks)
- $2x-5$.
- $10n$.
- $\tfrac{x}{2}+4$.
- $x+6$.
Section D — Long Answer (5 marks)
- $50+12x$.
- Length $w+3$; perimeter $4w+6$.
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