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Vidaara.orgClass 4 · Mathematics
CodeVID-M04-06-PER-01
Perimeter of Rectangle & Square - Assignment
Chapter: Area and Perimeter Formulas
Topic: Perimeter of Rectangle and Square
Maximum Marks: 35
Time: 75 minutes
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
  1. (B) around a shape
  2. (B) $2(l+b)$
  3. (B) $4s$
  4. (A) units
  5. (B) $20$
Section B — Short Answer (2 marks)
  1. $20$.
  2. $28$.
  3. $30$.
  4. $36$.
Section C — Short Answer (3 marks)
  1. $40$ cm.
  2. $9$ cm.
  3. $5$ cm.
  4. $60$.
Section D — Long Answer (5 marks)
  1. Perimeter $70$ m; cost Rs $700$.
  2. Side $12$ cm; rectangle perimeter $36$ cm.
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