Vidaara.orgClass 5 · Mathematics
CodeVID-M05-05-VRP-01
Volume of a Rectangular Prism - 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.
Volume is measured in:
- A.units
- B.square units
- C.cubic units
- D.degrees
2.
The volume of a rectangular prism is:
- A.$l+w+h$
- B.$l\times w\times h$
- C.$2(lw+wh+hl)$
- D.$l\times w$
3.
The volume of a cube of edge $a$ is:
- A.$6a$
- B.$a^2$
- C.$a^3$
- D.$3a$
4.
Find the volume: $l=6$, $w=4$, $h=3$.
- A.$13$
- B.$24$
- C.$72$
- D.$36$
5.
Another formula for volume is:
- A.base area $\times$ height
- B.base area $+$ height
- C.$\tfrac12$ base $\times$ height
- D.base area only
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Find the volume of a prism with $l=5$, $w=3$, $h=2$.
7.
Find the volume of a cube of edge $4$ cm.
8.
A prism has base area $20$ cm$^2$ and height $6$ cm. Find its volume.
9.
A box is $10$ in $\times$ $5$ in $\times$ $4$ in. Find its volume.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Find the volume of a rectangular prism $8$ cm $\times$ $6$ cm $\times$ $5$ cm.
11.
A box has volume $60$ cm$^3$, length $5$ cm and width $3$ cm. Find its height.
12.
Find the volume of a cube of edge $6$ cm.
13.
A tank is $12$ cm $\times$ $5$ cm $\times$ $4$ cm. Find its volume.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
A fish tank is $40$ cm long, $25$ cm wide and $30$ cm high. Find its volume in cm$^3$, then in litres ($1$ L $=1000$ cm$^3$).
15.
A box has volume $336$ cm$^3$. Its length is $8$ cm and height is $6$ cm. Find its width, and check by multiplying back.
Answer Key
Section A — Multiple Choice Questions
- (C) cubic units
- (B) $l\times w\times h$
- (C) $a^3$
- (C) $72$
- (A) base area $\times$ height
Section B — Short Answer (2 marks)
- $30$ cm$^3$.
- $64$ cm$^3$.
- $120$ cm$^3$.
- $200$ in$^3$.
Section C — Short Answer (3 marks)
- $240$ cm$^3$.
- $4$ cm.
- $216$ cm$^3$.
- $240$ cm$^3$.
Section D — Long Answer (5 marks)
- $30000$ cm$^3$ $=30$ litres.
- Width $7$ cm (check $8\times7\times6=336$).
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