Year 7 · Mathematics and statistics · Statistics
Statistical investigations, averages and graphs
Calculating mean, median, mode and range, choosing graphs, outliers, skew, comparing groups and spotting misleading graphs.
Everything for this topic in one place
- 3D lesson: Data Gala — A 3D school gala where the class runs stalls to explore mean, median, mode and range. Built for the projector, with team scoring.
- 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 3 (Years 7–8), with New Zealand places, money and native birds.
Try before you sign up
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 7 maths topics
Powers of 10 and expanded form · Primes, factors, HCF and LCM · Integers · Rounding, estimation and order of operations · Fractions, decimals and percentages · Proportional reasoning, percentages and money · Algebraic notation and equations · Linear patterns and the coordinate plane · Perimeter, area and volume formulae · Triangles and angles in polygons · Transformations, nets and compass points · Experimental and theoretical probability