1. Compiled by Mr. Lafferty Maths Dept.
Volume
Volume by Counting
Volume of a cuboid
Liquid Volumes
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

2. Starter Questions Q1. 15% of 240 Q2. Calculate 5 - 6 x 8
Q3. Expand a( 2y – 3 )
Saturday, 12 January 2019
Created by Mr.Lafferty

3. Volumes by Counting Cubes
Learning Intention
Success Criteria
We are learning the
term volume in terms of
counting cubes.
Understand the term volume.
Calculate volumes by counting 1cm3 cubes.
Answer to contain
appropriate units.
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

4. Volumes by Counting Cubes
Volume is the amount of space a 3D - shape takes up
1cm
1cm
1cm
One Unit of Volume is the “CUBIC CENTIMETRE”
= 1 centimetre cube
= 1 cm³
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

5. Volumes by Counting Cubes
This shape is made up of 1 centimetre cubes placed next to each other. What is its volume in cm³
1cm
1cm
1cm
= 3 centimetre cubes
= 3 cm³
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

6. Volumes by Counting Cubes What is its volume in cm³ of these shapes.
5 cm3
5 cm3
6 cm3
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

7. Volumes by Counting Cubes
One unit of Volume is the “CUBIC CENTIMETRE”
3cm
Volume = 24 centimetre cube
= 24 cm³
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

8. Volumes by Counting Cubes
Now try Lifeskills
Ex 1
Ch10 (page 82)
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

9. Starter Questions Q1. 35% of 360 Q2. Calculate 5 + 6 x 7
Q3. Expand 2( y – 5 )
Saturday, 12 January 2019
Created by Mr.Lafferty

10. Compiled by Mr. Lafferty Maths Dept.
Volume of a cuboid
Learning Intention
Success Criteria
We are learning how to
calculate the volume
of a cuboid.
Remember the formula.
Apply formula correctly.
Show working and
appropriate units.
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

11. Compiled by Mr. Lafferty Maths Dept.
Volume of a cuboid
3cm
4cm
6cm
18 cubes fit the base.
= 1 centimetre cube = 1 cm³
4 layers of 18 cubes
= 4 x 18
= 72 centimetre cubes
= 72 cm³
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

12. Compiled by Mr. Lafferty Maths Dept.
A short cut !
3cm
4cm
6cm
height
Area of rectangle
breadth
length
Volume = 6
x 3
x 4
= 72 cm³
Volume =
length
x breadth
x height
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

13. Compiled by Mr. Lafferty Maths Dept.
Example 1
Working
Volume = l x b x h
Heilander’s
Porridge Oats
V = 18 x 5 x 27
V = cm³
27cm
5 cm
18 cm
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

14. Compiled by Mr. Lafferty Maths Dept.
Example 2
Working
Volume = l x b x h
V = 2 x 2 x 2
V = 8 cm³
2cm
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

15. Created by Mr. Lafferty Maths Department
Volume
Now try Lifeskills
Ex 2
Ch10 (page 85)
12-Jan-19
Created by Mr. Lafferty Maths Department

16. Compiled by Mr. Lafferty Maths Dept.
Starter Questions
7cm
Exchange Rate
£1 =$1.50
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

17. Compiled by Mr. Lafferty Maths Dept.
Liquid Volume
Learning Intention
Success Criteria
We are learning the
term liquid volume using millilitres and litres.
Unerstand the term liquid volume.
Calculate volumes using 1ml and litres.
Answer to contain
appropriate units.
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

18. Compiled by Mr. Lafferty Maths Dept.
Liquid Volume
I’m a very small duck!
How much water does this hold?
1 cm
1 cm
1 cm
Volume = l
x b
x h
= 1 cm³
A cube with volume 1cm³ holds exact 1 millilitre of liquid.
A volume of 1000 ml = 1 litre.
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

19. Compiled by Mr. Lafferty Maths Dept.
Liquid Volume
1 litre
x 1000
1000ml
2 litres
2 x 1000
2000ml
0.5 litre
500 ml
3.2 litre
3200 ml
4.5 litre
4500 ml
0.75 litre
750 ml
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

20. Compiled by Mr. Lafferty Maths Dept.
Example 1
Liquid Volume
Working
Orange
Flavour
Volume = l x b x h
V = 6 x 3 x 12
12 cm
V = 216 cm³
= 216 ml
3 cm
6 cm
So the carton can hold
216 ml of orange juice.
Remember:
1 cm³ = 1 ml
How much juice can
this carton hold?
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

21. Compiled by Mr. Lafferty Maths Dept.
Example 2
Liquid Volume
Working
Volume = l x b x h
V = 100 x 30 x 50
V = cm³
50 cm
= ml
= 150 litres
30 cm
100 cm
How much water can this fish tank hold in litres?
1cm3 = 1 ml
1000 ml = 1 litre
So the fish tank can hold 150 litres of water.
12-Jan-19
Compiled by Mr. Lafferty Maths Dept.

22. Volume Now try Lifeskills Ex 3 Ch10 (page 87)
Have you updated your Learning Log ?
Volume
Now try Lifeskills
Ex 3
Ch10 (page 87)
Are you on Target ?
I can ?
Mind Map
12-Jan-19
Created by Mr. Lafferty Maths Department