VC2M6N09 Official strand: Number

Model a practical percentage decision

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Choose quantities and operations, then justify a contextual result.

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A club sets aside 25% of its $44 supply budget for paper. How many dollars are allocated to paper?

A$19.00 B$11.00 C$176.00 D$33.00

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Answer: $11.00

25% is one-quarter of the whole budget.
44 ÷ 4 = 11 dollars.

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Curriculum reference

Victorian Curriculum F–10 Version 2.0

Pi Leo practice scope

Choose quantities and operations, then justify a contextual result.

Read the official VCAA curriculum description (VC2M6N09)

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VC2M6N09-C01Identify the whole before finding a fraction or percentage. A quarter of a budget and a quarter of a saving are different quantities. Decimal lengths, masses and costs must keep their meaning in the model.
VC2M6N09-C02A discount applies only to the stated price. Delivery or booking fees may be added afterwards. Savings and paint-use plans combine repeated rational amounts with the starting total; record each operation before calculating.
VC2M6N09-C03Check affordability against the total after all discounts and charges. Whole tickets cannot be purchased fractionally. Explain what remains, what has been reserved, and what assumptions were used; a correct calculation is useful only when it models the stated plan.
VC2M6N09-C04Formulating, interpreting and communicating a model, selecting digital tools and justifying decisions.

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Descriptor-derived subskills

D01
Model fractional quantitiesIdentify the whole before finding a fraction or percentage. A quarter of a budget and a quarter of a saving are different quantities. Decimal lengths, masses and costs must keep their meaning in the model.
D02
Choose the right percentage baseA discount applies only to the stated price. Delivery or booking fees may be added afterwards. Savings and paint-use plans combine repeated rational amounts with the starting total; record each operation before calculating.
D03
Justify a complete budgetCheck affordability against the total after all discounts and charges. Whole tickets cannot be purchased fractionally. Explain what remains, what has been reserved, and what assumptions were used; a correct calculation is useful only when it models the stated plan.