ACARA AC9M8N05, Model financial problems

Year 8 · Number

Use mathematical modelling for practical problems with rational numbers and percentages in financial contexts, then review how well the model fits.

Below are free printable maths worksheets that support AC9M8N05. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

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Deliver a whole lesson on AC9M8N05 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

Financial mathematics: simple interest, discounts and GST

Year 8 (ages 13 to 14)

Teaching guide

What students learn

Use mathematical modelling for practical problems with rational numbers and percentages in financial contexts, then review how well the model fits.

Worked example

Find the simple interest on $1900 invested at 4% per year for 2 years.

Answer: $152

Why: I = P x R x T / 100 = 1900 x 4 x 2 / 100 = 152

Generated and checked in code, so it is correct.

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Grade 8 Number

Set A · PDF · answer key with Pro

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More Year 8 Number codes: AC9M8N01 · AC9M8N02 · AC9M8N03 · AC9M8N04

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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.