1. Volume of a cuboid 21-Apr-17 Learning Intention Success Criteria
To understand how to
calculate the volume
of cuboid.
To know the formula.
Use formula correctly.
Show working and
appropriate units.

2. Compiled by Mr. Lafferty Maths Dept.
21-Apr-17
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
21-Apr-17
Compiled by Mr. Lafferty Maths Dept.

3. A short cut ! Volume = 6 x 3 x 4 = 72 cm³ Volume = length x breadth
21-Apr-17
3cm
4cm
6cm
height
Area of rectangle
breadth
length
Volume = 6
x 3
x 4
= 72 cm³
Volume =
length
x breadth
x height

4. Example 1 27cm 5 cm 18 cm Working Volume = l x b x h V = 18 x 5 x 27
21-Apr-17
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

5. Example 2 2cm Working Volume = l x b x h V = 2 x 2 x 2 V = 8 cm³
21-Apr-17
Working
Volume = l x b x h
V = 2 x 2 x 2
V = 8 cm³
2cm

6. 21-Apr-17
Volume of a cuboid
Now try Exercise 2
Ch16 (page 186)