Applications of rates, percentages and use of spreadsheets

General Mathematics · Unit 1 — Money, measurement, algebra and linear equations · Consumer arithmetic

Learning objectives (9)

LO-1Apply percentage increase or decrease in various contexts, e.g. inflation of costs and wages, percentage mark-ups and discounts, percentage profit and loss, GST, simple interest.  𝐼 = 𝑃𝑖𝑛 where 𝐼 is simple interest, 𝑃 is principal, 𝑖 is interest rate per year and 𝑛 is number of years LO-2Calculate income support payments based on government allowances and pensions.LO-3Calculate the dividend paid on a portfolio of shares, given the dividend yield or dividend paid per share, and compare share values by calculating a price-to-earnings (P/E) ratio.  dividend yield = dividend share price × 100  P/E ratio = market price per share annual earnings per share LO-4Calculate weekly, fortnightly or monthly wages from an annual salary, and wages from an hourly rate, including situations involving overtime and other allowances and earnings based on commission or piecework.LO-5Compare prices and values using the unit cost method.LO-6Prepare a personal budget for a given income, taking into account fixed and discretionary spending.LO-7Understand the meaning of rates and percentages.LO-8Use a spreadsheet to display examples of the above computations when multiple or repeated computations are required, e.g. preparing a wage sheet displaying the weekly earnings of workers in an organisation, preparing a budget, investigating the potential cost of owning and operating a car over a year.LO-9Use currency exchange rates to convert between the Australian dollar and foreign currencies.

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