Year 10
Foundation

Year 10
Foundation

# Solve problems with repeated percentage change

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## Lesson details

### Key learning points

1. In this lesson, we will learn how to calculate how many repeated percentage increases or decreases are needed to reach a given amount

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## Video

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## Worksheet

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## Starter quiz

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### 3 Questions

Q1.
Which two decimals would decrease an amount by 10% then increase by 20%?
0.1 and 1.2
1.1 and 0.2
1.1 and 1.2
Q2.
What could a multiplication of 0.7 followed by a multiplication of 1.3 represent?
Correct answer: A decrease of 30%, then an increase of 30%
A decrease of 70%, then a decrease of 30%
A decrease of 70%, then an increase of 30%
An increase of 70%, then a decrease of 30%
Q3.
a
b
d

## Exit quiz

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Q1.
a
b