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Maggie Verster on 11 Oct 11In this unit students develop a variety of mathematical skills including: * Data collection and organisation, using a questionnaire about grocery stores, brand names and cell-phones.* Graphical representation of the data collected using bar graphs and pie charts.* Understanding cumulative data, as well as developing and interpreting frequency tables. * Analysis of data to answer questions, using graphs and tables.* Reading and interpreting fi gures, in the context of a newspaper report concerning skills development. * Calculating the various measures of central tendency and percentages in the context of workers and wages.* Working with range and spread of data.* Identifying distortion and manipulation of information.* Identifying patterns and trends, through working with scatterplots and broken line graphs.* Making simple predictions and comparisons.