# Percentage change

## Lesson details

### Key learning points

1. In this lesson, we will learn about percentage change. We will investigate how to increase or decrease an amount by a given percentage.

### 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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### 5 Questions

Q1.
What is 73% of 85?
0.73
6.205
620.5
Q2.
What is 71.69% of 92.4?
0.7169
6.624156
662.4156
Q3.
100% of any number is simply the number itself.
False
Q4.
What is 730.4% of 730.4?
1
100
533.48416
Q5.
30% of 90 is the same as 90% of 30.
False

## Exit quiz

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### 5 Questions

Q1.
If the amount of flour in a bag increased by 20%, it would always mean we add 20g on to the amount.
True
Q2.
If I increase 200kg by 30%, then the new amount I have is...
140kg
230kg
260g
Q3.
The decimal multiplier to increase an amount by 53% would be...
0.53
53.0
530.0
Q4.
It is possible to increase an amount by more than 100%
False