Year 10
Foundation

Year 10
Foundation

# Repeated percentage increase and decrease

## Lesson details

### Key learning points

1. In this lesson, we will learn how to apply a repeated percentage increase and decrease by using multipliers

### 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

Share with pupils

## Worksheet

Share with pupils

## Starter quiz

Share with pupils

### 3 Questions

Q1.
Which two decimals would decrease an amount by 10%, followed by 20%?
0.1 and 0.2
0.9 and 0.2
1.1 and 1.2
Q2.
What could a multiplication of 0.7 followed by a multiplication of 0.5 represent?
A decrease of 30%, then a decrease of 5%
Correct answer: A decrease of 30%, then a decrease of 50%
A decrease of 70%, then a decrease of 5%
A decrease of 70%, then a decrease of 50%
Q3.
a
b
d

## Exit quiz

Share with pupils

### 3 Questions

Q1.
Which two decimals would decrease an amount by 10% then increase by 20%?
0.1 and 1.2