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WorksheetYear 9Level 3 · Challenge

Free Year 9 Simple and Compound Interest Worksheet — Level 3

Calculate simple interest with I = Prn, then compound interest with A = P(1 + r)ⁿ, and compare the two. A challenge set for students ready to stretch further. This Year 9 worksheet has 8 questions and comes with a full answer sheet showing the working for every question.

Need more practice? Practice Set 2 · Practice Set 3 · Practice Set 4 — same skill, fresh questions, full answers.

Instant download · No sign-up · Free for personal, classroom and homeschool use

Year
Year 9
Subject
Maths
Topic
Financial Mathematics
Difficulty
Level 3 · Challenge
Estimated time
20 minutes
Curriculum
Australian Curriculum
Questions
8
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practise

  • calculating simple interest
  • calculating compound interest
  • comparing simple and compound interest

Curriculum: Australian Curriculum. We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: Year 9 Simple and Compound Interest Worksheet — Level 3

Ready for more? Move on to Year 10 Maths.

← Easier: Level 2 · Standard

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown, not just answers.
  3. Mark with the answer sheet. Compare the method, not only the final answer, and give credit for correct working.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

Year 9 students (typically ages 14–15) working on financial mathematics. It is pitched at level 3 · challenge; an easier version is linked above.

Are the answers included?

Yes. The PDF includes a full answer sheet with the working for every question. You can also view the answers online.

How long does it take?

About 20 minutes for 8 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Explore more Year 9 mathematics resources.

Preview

Success TutoringWorksheetsYear 9 · Mathematics · Financial Mathematics

Year 9 Simple and Compound Interest Worksheet — Level 3

Name

Date

Score /

Show your working. Write the rate as a decimal (5% = 0.05). Round money to the nearest cent.

1.$6,500.00 is invested at 6% per year, compounded yearly, for 9 years. Find the final amount and the interest earned, to the nearest cent.
2.$1,750.00 is invested at 5% per year, compounded yearly, for 3 years. Find the final amount and the interest earned, to the nearest cent.
3.Compare $14,500.00 invested for 4 years at 6% per year as simple interest and as interest compounded yearly. How much more does compound interest earn, to the nearest cent?
4.$12,500.00 is invested at 4% per year, compounded yearly, for 10 years. Find the final amount and the interest earned, to the nearest cent.
5.Compare $1,500.00 invested for 2 years at 2% per year as simple interest and as interest compounded yearly. How much more does compound interest earn, to the nearest cent?
6.$4,500.00 is invested at 4.5% per year, compounded yearly, for 8 years. Find the final amount and the interest earned, to the nearest cent.
7.$7,000.00 is invested at 2% per year, compounded yearly, for 5 years. Find the final amount and the interest earned, to the nearest cent.
8.$1,500.00 is invested at 3% per year, compounded yearly, for 9 years. Find the final amount and the interest earned, to the nearest cent.
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Preview — the PDF contains the full resource and answer sheet.

More Year 9 financial mathematics resources

  • Worksheet

    Year 9 Simple and Compound Interest Worksheet — Level 1

    Calculate simple interest with I = Prn, then compound interest with A = P(1 + r)ⁿ, and compare the two. Builds confidence with the core…

    Difficulty
    Level 1 · Easier
    Time
    20 min
    Questions
    8 questions
    Answers
    Answers included
  • Worksheet

    Year 9 Simple and Compound Interest Worksheet — Level 2

    Calculate simple interest with I = Prn, then compound interest with A = P(1 + r)ⁿ, and compare the two. Expected-level practice for this…

    Difficulty
    Level 2 · Standard
    Time
    20 min
    Questions
    8 questions
    Answers
    Answers included

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About this resource

Created by
Success Tutoring Maths Team
Reviewed by
Success Tutoring
Last reviewed
1 October 2026
How it was made
Generated by checked procedures

Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.