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Volume of a Cube

In this worksheet students will be able to calculate the volume of a cube

'Volume of a Cube' worksheet

Key stage:  KS 4

GCSE Subjects:   Maths

GCSE Boards:   AQA, Eduqas, Pearson Edexcel, OCR

Curriculum topic:   Geometry and Measures, Mensuration

Curriculum subtopic:   Mensuration and Calculation, Volume and Surface Area Calculations

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

 

The volume is the amount of space that a substance or object occupies, or that is enclosed within a container

 

The cube.  This was probably one of the first toys you were given as a young child to build things with.

It is something you never grow out of.

 I bet even now when a teacher puts them on your desk at school for an activity the first thing you do is try and make something.

Some things never change.

Think about where you see cubes in the real world.

There are endless examples but here are just a few;

Dice, sugar cubes, fudge, rubik's cube, packages, plant pots.

To find out the volume of items such as this we need a formula

Because a cube is 3 dimensional we are looking for three measurements as shown above.

Volume of a cube is length x length x length

sometimes written as base x length x height

Think about what you know already.  A cube has square faces.

Squares have sides that are all the same length.

Volume of this cube = 7 x 7 x 7 = 343 cm³

We measure volume in units cubed.

On your calculator you can do 7 then press x³ button. 

Try the activities by putting all three numbers in so that you are 100% sure you are confident in what you are doing.

You may not always be allowed a calculator for this type of question.

  

Warning - An easy mistake is 7 x 3 =21 cm³.  As you can see this is a totally different answer.

 

cube

Find the volume of this cube.

Write your answer in figures without the units.

Match up the volume of the following. 

Answers have been rounded to 2 decimal places when appropriate.

Column A

Column B

Cube with side 4 cm
3.38 cm³
Cube with side 6 cm
42.88 cm³
Cube with side 3.5 cm
512 cm³
Cube with side 2.5 cm
64 cm³
Cube with side 1.5 cm
216 cm³
Cube side 8 cm
15.65 cm³

dice

What is the total volume of these dice?

The sides are 9 mm.

729 mm²

729 mm³

27 mm³

27 mm²

The side of this cube is 3.5 cm.

Write your answer in figures without the units.

Round your answer to 2 decimal places (2 d.p)

729 mm²

729 mm³

27 mm³

27 mm²

   

The red cube has side 5 cm and the yellow cube has side 8 cm.

What is the difference in their volume?

729 mm²

729 mm³

27 mm³

27 mm²

   

The red cube has side 6 cm and the yellow cube has side 3.5 cm.

 

 216 cm³18 cm³42.90 cm³42.88 cm³173.12cm³173.21cm³
Volume of red cube
Volume of yellow cube
Difference in Volume

In a glass are 7 ice cubes melting.  4 ice cubes have side 2 cm and 3 ice cubes have side 3 cm.

What is the total volume of water once the ice cubes have all melted?

Write your answer in figures without the units.

A wooden crate with side 1m is used to transport small parcels, in the shape of a cube.

Each parcel has side 0.5m.

How many small packages will fit inside the crate.

4

6

8

10

   

This cube has side of 2x.  What is its volume?

There are two possible answers.

6x³

8x³

(2x)x (2x) x (2x)cm³

(2x+ (2x)+ (2x)cm³

   

This cube has a volume of 512 cm³

What is the length of one side?

Write your answer as ..... cm

  • Question 1

cube

Find the volume of this cube.

Write your answer in figures without the units.

CORRECT ANSWER
125
EDDIE SAYS
Just apply the formula. Length x length x length 5 x 5 x 5 = 125 cm³ You wouldn't assemble flat pack furniture without reading the instructions first would you? Okay maybe you would. Following formulas (instructions) in maths is extremely helpful.
  • Question 2

Match up the volume of the following. 

Answers have been rounded to 2 decimal places when appropriate.

CORRECT ANSWER

Column A

Column B

Cube with side 4 cm
64 cm³
Cube with side 6 cm
216 cm³
Cube with side 3.5 cm
42.88 cm³
Cube with side 2.5 cm
15.65 cm³
Cube with side 1.5 cm
3.38 cm³
Cube side 8 cm
512 cm³
EDDIE SAYS
Applying the instructions does help doesn't it. Easy stuff. remember it is the same number multiplied together 3 times 4 x 4 x 4 6 x 6 x 6 3.5 x 3.5 x 3.5 2.5 x2.5 x 2.5 1.5 x 1.5 x 1.5 8 x 8 x 8
  • Question 3

dice

What is the total volume of these dice?

The sides are 9 mm.

CORRECT ANSWER
729 mm³
EDDIE SAYS
Did you remember 9 x 9 x 9 and NOT 9 x 3? Also did you remember the answer for volume is always units³ You are rolling on nicely.
  • Question 4

The side of this cube is 3.5 cm.

Write your answer in figures without the units.

Round your answer to 2 decimal places (2 d.p)

CORRECT ANSWER
EDDIE SAYS
It is important to get into the habit of always showing your working out. If I had a £1 for every time a student says to me 'I will remember in the exam' If you are not used to doing it in your daily work, you are unlikely to remember to write it in an exam. 3.5 x 3.5 x 3.5 = 42.875 (42.88 to 2 d.p)
  • Question 5

   

The red cube has side 5 cm and the yellow cube has side 8 cm.

What is the difference in their volume?

CORRECT ANSWER
EDDIE SAYS
This is just a way to make sure you are secure at calculating volume and sneaking in an added extra. The word difference should alert you to the fact that a subtraction is required. 5 x 5 x 5 = 125 8 x 8 x 8 = 512 512 - 125 = 387cm ³
  • Question 6

   

The red cube has side 6 cm and the yellow cube has side 3.5 cm.

 

CORRECT ANSWER
 216 cm³18 cm³42.90 cm³42.88 cm³173.12cm³173.21cm³
Volume of red cube
Volume of yellow cube
Difference in Volume
EDDIE SAYS
Length x length x length I hear you shout. Good job. Once you have learnt this this rest is perfection. 6 x 6 x 6 = 216 3.5 x 3.5 x 3.5 = 42.88 216 - 42.88 = 173.12 cm³ I hope you didn't transpose the decimal places and ended up with 173.21 cm ³. Easily done. take extra care when working with decimals.
  • Question 7

In a glass are 7 ice cubes melting.  4 ice cubes have side 2 cm and 3 ice cubes have side 3 cm.

What is the total volume of water once the ice cubes have all melted?

Write your answer in figures without the units.

CORRECT ANSWER
113 cm³
EDDIE SAYS
Those little added extras, don't you just love them Just think things through carefully and apply what you know. 2 x 2 x 2 = 8 8 x 4 = 32 3 x 3 x 3 = 27 27 x 3 = 81 81 + 32 = 113 cm³
  • Question 8

A wooden crate with side 1m is used to transport small parcels, in the shape of a cube.

Each parcel has side 0.5m.

How many small packages will fit inside the crate.

CORRECT ANSWER
8
EDDIE SAYS
Oh of course...the curved ball. First find the volume of the crate. 1 x 1 x 1 = 1 m³ Next find the volume of 1 package 0.5 x0.5 x 0.5 = 0.125 m³ The key word here is INSIDE. This should lead you to 'how many go into' (division) 1 ÷ 0.125 = 8
  • Question 9

   

This cube has side of 2x.  What is its volume?

There are two possible answers.

CORRECT ANSWER
8x³
(2x)x (2x) x (2x)cm³
EDDIE SAYS
Length x length x length, but there are no numbers eeeek. It doesn't matter. Write what you know (2x) x (2x) x (2x) or 8xcm ³.
  • Question 10

   

This cube has a volume of 512 cm³

What is the length of one side?

Write your answer as ..... cm

CORRECT ANSWER
8 cm
EDDIE SAYS
Those curved balls just keep coming. You love them really. You have all the information you need to crack this. Volume = Length x Length x Length (or length³) Do the opposite. The opposite of cm³ is ³√512 ³√512 = 8 Test it out 8 x 8 x 8 = 512 cm³
---- OR ----

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