Percentage profit and loss
I can calculate percentage profit and percentage loss.
Percentage profit and loss
I can calculate percentage profit and percentage loss.
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Lesson details
Key learning points
- When calculating percentage profit or loss, you are interested in the change.
- If the final amount is more than the original, there is profit.
- If the final amount is less than the original, there is loss.
- This change can be described as a percentage of the original amount.
- A negative percentage is interpreted as a loss.
Keywords
Percentage profit - is the increase when referencing something that is sold for more than the cost price given as a percentage of the original amount
Percentage loss - is the decrease when referencing something that is sold for less than the cost price given as a percentage of the original amount
Common misconception
When using multipliers, pupils can mistake a decimal for the percentage decrease. e.g. 0.52 is a 52% decrease, rather than recognising a 48% decrease
Reminding students that a decimal multiplier greater than 1 means an increase, and a decimal multiplier less than 1 means a decrease. The latter requires a subtraction from 1 or 100%
To help you plan your year 10 maths lesson on: Percentage profit and loss, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 maths lesson on: Percentage profit and loss, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Explore more key stage 4 maths lessons from the Percentages unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
£400
£424
£560
£473.60