Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
NA4-3NA4-5
New NZC (2026)
NZC26-P4-NUM-FIN-K-Y9-02NZC26-P4-NUM-NSO-P-Y9-19NZC26-P4-NUM-FIN-K-Y9-03NZC26-P4-NUM-FIN-K-Y9-04NZC26-P4-NUM-NSO-P-Y10-09NZC26-P4-NUM-NSO-P-Y10-10
Resources
- No external resource is currently specified.
Terminology
Task goals
- Foundation: Calculate a given percentage of a whole-number amount and convert fluently between simple percentages, fractions, and decimals.
- Proficient: Calculate percentage increase and decrease, and apply percentages to everyday money contexts such as discounts, mark-ups, and GST.
- Excellence: Solve multi-step problems involving successive percentage changes and reverse percentage problems, finding an original amount from a changed value.
Where this fits
What leads into this objective, and where it goes next.
You are here
Percentage Change: Increase, Decrease and Reverse Percentages
Know
Percentages can be used to proportionally increase or decrease a quantity by multiplication and can be presented as decimal multipliers.
Statement▸
Year 9 · Number · Financial mathematics
NZC26-P4-NUM-FIN-K-Y9-02
Do
Increasing or decreasing a number by a given proportion
Statement▸
Year 9 · Number · Number structures and operations
NZC26-P4-NUM-NSO-P-Y9-19
Also under NA4-3:
- Budgets
- Converting between improper fractions and mixed numbers
- Finding fractions of quantity
- Forming percentages
Also under NA4-5:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.