Vidaara.orgClass 4 · Mathematics
CodeVID-M04-06-PER-01
Perimeter of Rectangle & Square - 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.
Perimeter is the total length:
- A.inside a shape
- B.around a shape
- C.of a diagonal
- D.of one side
2.
Perimeter of a rectangle is:
- A.$l\times b$
- B.$2(l+b)$
- C.$4s$
- D.$l+b$
3.
Perimeter of a square is:
- A.$s^2$
- B.$4s$
- C.$2s$
- D.$s+4$
4.
Perimeter is measured in:
- A.units
- B.square units
- C.cubic units
- D.degrees
5.
A square of side $5$ has perimeter:
- A.$10$
- B.$20$
- C.$25$
- D.$15$
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Find the perimeter of a rectangle $6$ by $4$.
7.
Find the perimeter of a square of side $7$.
8.
Find the perimeter of a rectangle $10$ by $5$.
9.
Find the perimeter of a square of side $9$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
A rectangle is $12$ cm by $8$ cm. Find its perimeter.
11.
A square has perimeter $36$ cm. Find its side.
12.
A rectangle has perimeter $30$ cm and length $10$ cm. Find its breadth.
13.
Find the perimeter of a square of side $15$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
A rectangular garden is $20$ m long and $15$ m wide. Find the cost of fencing it at Rs $10$ per metre.
15.
A square has perimeter $48$ cm. Find the length of one side, and the perimeter of a $12$ cm $\times$ $6$ cm rectangle.
Answer Key
Section A — Multiple Choice Questions
- (B) around a shape
- (B) $2(l+b)$
- (B) $4s$
- (A) units
- (B) $20$
Section B — Short Answer (2 marks)
- $20$.
- $28$.
- $30$.
- $36$.
Section C — Short Answer (3 marks)
- $40$ cm.
- $9$ cm.
- $5$ cm.
- $60$.
Section D — Long Answer (5 marks)
- Perimeter $70$ m; cost Rs $700$.
- Side $12$ cm; rectangle perimeter $36$ cm.
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