1. Repeated Percentage Change – Decrease – Higher – GCSE Questions
These questions are the same format as previous GCSE exams.
COPY means they use the exact same numbers as the original GCSE question.
Otherwise, they are clone questions using different numbers.
The worksheets are provided in a variety of sizes.

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
File > Print > ‘Print Current Slide’
To print multiple slides -
Click on a section title to highlight all those slides,
or press ‘Ctrl’ at the same time as selecting slides to
highlight more than one. Then click:
File > Print > ‘Print Selection’
To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3. GCSE GCSE Edexcel Higher: November 2017 Paper 3, Q9
Phil bought a new car for £14 500
The value, £V, of Phil’s car at the end of n years is given by the formula
V = x (0.85)n
At the end of how many years was the value of Phil’s car less than
50% of the value of the car when it was new? 1
Phil bought a new car for £14 500
The value, £V, of Phil’s car at the end of n years is given by the formula
V = x (0.85)n
At the end of how many years was the value of Phil’s car less than
50% of the value of the car when it was new?
(2)
(2)
A savings account pays interest at a rate of R% per year.
Phil invests £6500 in the account for one year.
At the end of the year, Phil pays tax on the interest at a rate of 30%.
After paying tax, he gets £118.30
(b) Work out the value of R.
A savings account pays interest at a rate of R% per year.
Phil invests £6500 in the account for one year.
At the end of the year, Phil pays tax on the interest at a rate of 30%.
After paying tax, he gets £118.30
(b) Work out the value of R.
(3)
(3)
(Total for Question 1 is 5 marks)
(Total for Question 1 is 5 marks)

5. GCSE Edexcel Higher: November 2017 Paper 3, Q9
Phil bought a new car for £14 500
The value, £V, of Phil’s car at the end of n years is given by the formula
V = x (0.85)n
At the end of how many years was the value of Phil’s car less than
50% of the value of the car when it was new?
(2)
A savings account pays interest at a rate of R% per year.
Phil invests £6500 in the account for one year.
At the end of the year, Phil pays tax on the interest at a rate of 30%.
After paying tax, he gets £118.30
(b) Work out the value of R.
(3)
(Total for Question 1 is 5 marks)

6. GCSE
Edexcel Higher: November 2017 Paper 3, Q9 1
Phil bought a new car for £14 500
The value, £V, of Phil’s car at the end of n years is given by the formula
V = x (0.85)n
At the end of how many years was the value of Phil’s car less than
50% of the value of the car when it was new?
50% of £14500
= 7250
N = 1 V = 12325
N = 2 V =
N = 3 V =
N = 4 V =
N = 5 V =
5 years
(2)
A savings account pays interest at a rate of R% per year.
Phil invests £6500 in the account for one year.
At the end of the year, Phil pays tax on the interest at a rate of 30%.
After paying tax, he gets £118.30
(b) Work out the value of R.
70% of interest =
10% = 16.90
100% of interest = 169
Find as a percentage of
original amount
x 100 = 2.6%
2.6
(3)
(Total for Question 1 is 5 marks)

7. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!?
Any feedback would be appreciated .
Please feel free to