01 / QUICK RECAP
Connect the ideas.
- A percentage change is measured against its original whole.
- Use a multiplier to apply a change and divide by it to reverse the change.
- Mark-up and discount can use different base prices.
- Percentage points and relative percentage change describe different comparisons.
- Include all costs in a budget and check formulas and assumptions in financial models.
02 / TOPIC TEST
Put it together.
Choose a paper and show your working.
Percentages and financial mathematics — topic test
A progressive mixed paper covering percentage change, reverse percentages, comparisons, budgets and transparent financial models.
15 questions · 37 marks · 45 minutes · By hand
Curriculum reference & lesson scope
Australian Curriculum v9 / SA Curriculum
Percentage increase/decrease; finding an original amount; discounts and mark-ups; percentage comparisons; budgets and purchase decisions; modelling and checking financial problems with digital tools. Simple interest can be offered here as a school-dependent application and developed in Year 9.
Official curriculum source ↗