Year 9 · Maths
Understand Variables Representation Measures And Spread
Year 9 learners practise comparing averages and spread of data.
The activities include Calculate Percentiles and Quartiles, Compare Distributions of Grouped Data Using Averages, Compare Distributions Using Averages, and related practice. The checked support below includes video, worksheet, teaching, practice. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
- Calculate Percentiles and Quartiles
- Compare Distributions of Grouped Data Using Averages
- Compare Distributions Using Averages
- Compare Distributions Using Measures of Spread
- Find Mean, Median and Mode from Frequency Charts
- Find the Estimate of the Median for Grouped Data
- Understand the Suitability of Measures in Different Scenarios
Checked learning resources
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Comparing summaries of data
Oak National Academy · Video · Opens on the provider website
I can use the different measures of central tendency and spread to compare two sets of data. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Compare Distributions of Grouped
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Evaluating the range
Oak National Academy · Video · Opens on the provider website
I can evaluate the range as a measure of spread, including a consideration of outliers. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Compare Distributions Using Measures o
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Analysing different statistical representations
Oak National Academy · Video · Opens on the provider website
I can use the different statistical representations to compare two sets of data. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Understand the Suitability of Measures in Dif
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Averages
BBC Bitesize · Worksheet · Opens on the provider website
BBC KS3 maths teaching, worked examples and practice checks for Understand Variables Representation Measures And Spread, including calculation. This was selected against the complete context of "Calculate Percentiles and
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Graphical representations of data: lesson sequence
Oak National Academy · Teaching · Opens on the provider website
This KS3 Oak unit provides sequenced teaching and worked examples on Graphical representations of data.
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Numerical summaries of data: lesson sequence
Oak National Academy · Teaching · Opens on the provider website
This KS3 Oak unit provides sequenced teaching and worked examples on Numerical summaries of data, including the closest lesson: Comparing summaries of data.
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Find the Estimate of the Median for Grouped Data video
Corbettmaths Primary · Video · Opens on the provider website
Year 9 Maths video matched to find the estimate of the median for grouped data.
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Find the Estimate of the Median for Grouped Data practice
Corbettmaths Primary · Practice · Opens on the provider website
Year 9 Maths practice matched to find the estimate of the median for grouped data.