Simple Interest (Year 9)
Free printable NZ Year 9 maths worksheet: calculate simple interest, the total amount, the interest rate, or the time invested.
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Grade 8 · Math worksheet
Name
Date
Math
Simple Interest
Find the simple interest, the total amount, the interest rate, or the time invested. Use simple interest = P x R x T / 100.
- 1.Find the simple interest earned on $1000 invested at 2% per year (p.a.) for 2 years.
- 2.Find the simple interest earned on $100 invested at 10% per year (p.a.) for 1 year.
- 3.Find the simple interest earned on $600 invested at 4% per year (p.a.) for 5 years.
- 4.Find the simple interest earned on $1200 invested at 10% per year (p.a.) for 1 year.
- 5.$1400 is invested at 6% p.a. simple interest for 2 years. Find the total amount in the account at the end (the original amount plus the interest).
- 6.$300 is invested at 5% p.a. simple interest for 2 years. Find the total amount in the account at the end (the original amount plus the interest).
- 7.$1900 is invested at 6% p.a. simple interest for 4 years. Find the total amount in the account at the end (the original amount plus the interest).
- 8.An investment of $1700 earns $408 in simple interest over 4 years. Find the annual interest rate.
- 9.An investment of $700 earns $42 in simple interest over 2 years. Find the annual interest rate.
- 10.An investment of $1100 earns $66 in simple interest over 1 year. Find the annual interest rate.
- 11.An investment of $1000 at 10% p.a. simple interest earns $100 in total interest. Find the number of years.
- 12.An investment of $600 at 2% p.a. simple interest earns $12 in total interest. Find the number of years.
- 13.An investment of $700 at 5% p.a. simple interest earns $105 in total interest. Find the number of years.
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