Vidaara.orgClass 4 · Mathematics
CodeVID-M04-06-REL-01
Area & Perimeter Relationship - 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.
Two shapes can have the same perimeter but different:
- A.names
- B.areas
- C.colours
- D.sides
2.
Two shapes can have the same area but different:
- A.perimeters
- B.names
- C.colours
- D.angles
3.
Perimeter is a ___; area is a surface.
- A.length
- B.volume
- C.weight
- D.time
4.
Area is measured in:
- A.cm
- B.cm$^2$
- C.cm$^3$
- D.m
5.
For a fixed perimeter, the largest area comes from a:
- A.thin rectangle
- B.square
- C.triangle
- D.line
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Find the area and perimeter of a $6\times2$ rectangle.
7.
Find the area and perimeter of a $4\times4$ square.
8.
Do a $6\times2$ rectangle and a $4\times4$ square have the same perimeter?
9.
Which has the larger area, the $6\times2$ rectangle or the $4\times4$ square?
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Find the area of an $8\times2$ rectangle and a $5\times5$ square.
11.
Both shapes above have perimeter $20$. Which has the larger area?
12.
Find the perimeter of a $9\times1$ rectangle and a $5\times5$ square. Do they match?
13.
Of all rectangles with perimeter $20$, which gives the largest area?
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
Three rectangles have perimeter $24$ cm: $1\times11$, $4\times8$ and $6\times6$. Find each area and say which is largest.
15.
A $12$ cm $\times$ $3$ cm rectangle and a square have the same area. Find the side of the square.
Answer Key
Section A — Multiple Choice Questions
- (B) areas
- (A) perimeters
- (A) length
- (B) cm$^2$
- (B) square
Section B — Short Answer (2 marks)
- Area $12$; perimeter $16$.
- Area $16$; perimeter $16$.
- Yes (both $16$).
- The square.
Section C — Short Answer (3 marks)
- $16$ and $25$.
- The square ($25$).
- Both $20$ — yes.
- The $5\times5$ square.
Section D — Long Answer (5 marks)
- $11$, $32$, $36$ — the $6\times6$ square is largest.
- Area $36$; side $6$ cm.
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