Mastering Percentages: Compound Interest
Mathematics
Grade 8
12 questions
~24 mins
0 views0 downloads
About This Worksheet
A worksheet covering Percentages: Compound Interest for Grade 8 students. It includes procedural questions to build understanding, reasoning problems to apply concepts, and real-world challenges.
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Mastering Percentages: Compound Interest
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
If a sum of $1,000 is invested at an annual compound interest rate of 5%, what will be the amount after 2 years?
[3 marks]2.
Calculate the compound interest earned on a $2,500 investment over 3 years at an annual rate of 4%.
[3 marks]3.
A bank offers a 6% annual compound interest rate. How much money must be invested initially to reach $1,500 in 4 years?
[3 marks]4.
What is the compound interest rate if $1,000 grows to $1,200 in 2 years?
[3 marks]5.
Simplify the ratio of the amounts after 2 years for investments of $1,000 at 5% and $2,000 at 3%.
[2 marks]6.
If the principal is doubled, how does the amount after 3 years change at a 4% annual compound interest rate?
[2 marks]7.
A investment of $800 grows to $1,200 in 3 years. Find the annual compound interest rate.
[3 marks]8.
Determine the number of years it takes for an investment of $1,500 at 7% interest compounded annually to double.
[3 marks]9.
A car loan of $10,000 accrues interest at 8% compounded annually. How much will be owed after 5 years?
[3 marks]10.
A savings account pays 3.5% interest compounded quarterly. How much interest is earned in 1 year on a $5,000 deposit?
[3 marks]11.
Challenge: An investment of $2,000 grows to $3,000 in 5 years. What is the annual compound interest rate? Use natural logarithms in your calculation.
[4 marks]12.
Real-world application: A university fund is invested at 6% interest compounded annually. How much will the fund be worth after 10 years if the initial investment is $50,000?
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet