Crateclass

Year 6 · Mathematics and statistics · Statistics

Mean, range and time-series graphs

Calculating the mean and range, reading time-series graphs and trends, choosing graphs and spotting misleading graphs.

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Everything for this topic in one place

  • 3D lesson: Mean, range and time-series graphs — Level out towers of data blocks to see what the mean really is, find the range, read trends on a 3D time-series graph and choose the right graph for the job.
  • Teacher presentation — slides to put on the projector.
  • Worksheets at three levels — Tūī (support), Kererū (core) and Kea (extension), each with an answer key on the last page.
  • Online practice — assign it to your class in the Crateclass classroom and the results come back by themselves.

Written for Te Mātaiaho, Phase 2 (Years 4–6), with New Zealand places, money and native birds.

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See a full 3D lesson, a game and printable worksheets with no account on the free samples page. Teachers who sign up by 18 December 2026 get everything free until 9 April 2027.

More Year 6 maths topics

Whole numbers, rounding, squares and cubes · Order of operations · Multiplication and division · Fractions, decimals and percentages · Percentages, proportion and money · Inequalities, patterns and coordinates · Area, volume and unit conversions · Angles · Time and timetables · Triangles, quadrilaterals, symmetry and tessellation · Probability

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