Mastering Percentages: Compound Interest
Mathematics
Year 9
12 questions
~24 mins
0 views0 downloads
About This Worksheet
A worksheet covering Percentages: Compound Interest with a focus on ratio, proportion, and rates of change for Year 9 students.
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Mastering Percentages: Compound Interest
Subject: MathematicsGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the amount accumulated after 3 years on a principal of £1000 at an annual compound interest rate of 5%.
[3 marks]2.
What is the compound interest earned after 2 years on the same principal and rate?
[2 marks]3.
If £2000 grows to £2420 in 4 years, what is the annual compound interest rate?
[3 marks]4.
Calculate the principal amount if £1500 is accumulated after 5 years at 4% per annum compounded annually.
[3 marks]5.
Express the ratio of the total amount to the principal in a compound interest scenario.
[2 marks]6.
If the interest rate increases to 6%, how does this affect the total amount after 3 years on a £1000 principal?
[4 marks]7.
A savings account offers 3% interest compounded annually. How much money will you have after 10 years if you deposit £500?
[3 marks]8.
A investment of £1500 grows to £1800 in 3 years. Find the rate of interest per annum compounded annually.
[3 marks]9.
If you want to double your money in 10 years with compound interest, what annual interest rate is required?
[4 marks]10.
A bank offers a 4% interest rate compounded semi-annually. What is the effective annual rate (EAR)?
[3 marks]11.
A loan of £5000 accumulates to £6000 in 5 years. What is the annual rate of compound interest?
[3 marks]12.
Challenge: A pension plan promises to double your savings in 20 years with compound interest. What is the minimum annual interest rate needed?
[4 marks]Quick Actions
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- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet