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NSW Y11 Maths Standard NSW Y11 Maths Advanced NSW Y11 Maths Extension 1

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Earning and Managing Money Formulae and Equations Measurement And Energy Relative Frequency and Probability Perimeter, Area, Volume Classifying Data Linear Relationships Interest and Depreciation Exploring and Describing Data Time Budgeting

NSW Y11 Maths - Standard Budgeting Household Bills

Resources for Household Bills

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Household Bills Theory

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Videos

Videos relating to Household Bills.

  • Household Bills - Video - Household Bills Part 1

  • Household Bills - Video - Household Bills Part 2

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Theory

Household Bills

Types of percentages questions

  • Calculating the percentage of an amount

\(\text{Percentage} \div 100 \times \text{amount}\)

  • Calculating an amount as a percentage of the total

\(\dfrac{\text{amount}}{\text{total}} \times 100\)

  • Calculating the original amount after a percentage discount or increase