Cash Course 6: Interest

Equip your students with the critical financial toolkits they need to navigate life today and confidently step into their future. Cash Courses transform complex money concepts into practical, bite-sized lessons. By mastering these essential life skills early, your students will build the smart habits required to make informed, real-world financial decisions. The workbooks can be printed but are interactive pdf’s so can be completed on a computer if preferred. Activities are designed to be self-directing, with individual tasks and some group or class discussions if you choose to lead the topic this way. Students completing this Cash Course will learn about what interest is, earning simple and compound interest on savings, and the cost of interest when borrowing money.

Year 9-12

1-4 hrs

Mathematics and Statistics (Financial Mathematics and Number)

Social Sciences (Draft – Economic Activity, Financial Education)

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$20

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Student learning

Through this unit, students will learn:

1. What interest is

2. About interest rates

3. Simple and compound interest

4. Earning interest on savings

5. The cost of interest on loans
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Curriculum links

Financial education is compulsory in the New Zealand curriculum for year 1-10, with full implementation required in 2027.
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The Cash Course series is aligned with the Knowledge and Practices of the curriculum for:

Mathematics and Statistics: Number and Financial Mathematics strand

Social Sciences (Draft): Economic Activity - Financial Education strand
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Concepts relating to interest are introduced from year 8 in the draft Social Sciences curriculum. Calculating simple interest is at year 9, and compound interest is at year 10, in Financial Mathematics curriculum.

The resources are also designed to support the Curriculum Capabilities.

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This resource includes:

Interest student workbook
Teaching Guide with workbook sample answers

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Check you have the latest version here:

[Document ID] Resource Name

[CA6-001-2] Cash Course 6 - Interest Workbook.pdf
[CA6-002-2] Cash Course 6 - Interest Teaching Guide with sample answers.pdf

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