Year 8

Year 8

# Surface area introduction

## Lesson details

### Key learning points

1. In this lesson, we will be introduced to the concept of surface area, and how to calculate it.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 6 Questions

Q1.
Which formula works out the volume of a prism?
Area and cross section
Correct answer: Area of cross section x length
Cross section x length
Multiply all the numbers together
Q2.
What is the volume of this shape?
12 cubic centimetres
Correct answer: 144 cubic centimetres
24 cubic centimetres
Not enough information given
Q3.
The perpendicular height to the 6cm base is 8cm. Which calculation would correctly give you the volume of this prism?
6 x 10 x 12
Correct answer: 6 x 8 x 10
6 x 8 x 10 divided by 2
6 x 8 x 10 x 12
Q4.
Work out the volume of this triangular prism.
Correct answer: 120 cubic centimetres
165 cubic centimetres
240 cubic centimetres
330 cubic centimetres
Q5.
Work out the volume of this cylinder.
18 cubic centimetres
18 pi cubic centimetres
Correct answer: 54 pi cubic centimetres
9 pi cubic centimetres
Q6.
This cuboid has a volume of 45 cubic centimetres. What is the missing height?
11.5cm
15 cm
4.5cm

## Exit quiz

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### 5 Questions

Q1.
Which statement is true?
Correct answer: Area and surface area have the same units
Area and surface area always have different units
Q2.
This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?
20 centimetres squared
32 centimetres squared
36 centimetres squared
Correct answer: 40 centimetres squared
A different number
Q3.
This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?
15 centimetres squared
Correct answer: 34 centimetres squared
36 centimetres squared
8 centimetres squared
A different number
Q4.
This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?
16 centimetres squared
27 centimetres squared
33 centimetres squared
34 centimetres squared
Correct answer: A different number
Q5.
What is the maximum surface area of combining 10 of these 1cm unit cubes together?
10 cubic centimetres
22 unit centimetres
Correct answer: 42 unit centimetres
46 unit centimetres
A different number