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Lab

See the idea. Put it to the test.

956 practicals from Kindergarten to Year 12, in 9 subjects. A practical gives the idea, what you need, the steps, what you should see and a safety card. A teacher-led practical gives the idea and its hazards; its method is for tutors on the learning platform.

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Review

Reviewed before publication (owner’s confirmation, 24 September 2026). That covers every practical here, and a practical’s page lists the sources its author read.

A safety card on every page

The risk, who supervises and the hazards. The 38 teacher-led practicals show their idea and hazards here; their materials, steps and sources, and any result, control or note that states a number or an amount, are for tutors and administrators on the learning platform.

School laboratory, not for home

207 practicals are medium or high risk. Each says so on its page: In a school laboratory, with a teacher supervising, under the school's risk assessment. Not for home.

Curriculum references

Each practical lists the NSW syllabus outcomes and Australian Curriculum v9 codes it supports. They are references, not a verified or complete curriculum alignment.

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A practical is carried out at the bench, in the classroom or outdoors. A practical with its model not built stands on its own; the page says where a step mentions the model. A calculation and data practical works from published figures by hand, with a calculator or in a spreadsheet. No Lab page includes an interactive model; the Concept Studio holds the demonstrations.

5 practicals

Mathematics 7–10 · Mathematics · Statistics and data

  1. Mathematics 7–10 · Years 7–8

    Hand span of the class: mean, median, mode, range and the effect of one outlier

    A continuous measurement collected from everyone in the room gives a distribution whose centre and spread can be summarised, and one extreme value moves the mean and the range while moving the median by at most half the gap between the two middle values.

    Practical, model not builtLow risk

  2. Mathematics 7–10 · Year 8

    Random samples from a known population: how sample size changes the spread of sample means

    Samples drawn at random from the same population give different means, and the means of larger samples cluster more closely around the population mean, so the spread of the sample means shrinks as the sample size grows.

    Practical, model not builtLow risk

  3. Mathematics 7–10 · Years 9–10

    Box plots of reaction time: dominant against non-dominant hand

    A five-number summary and a box plot let two sets of measurements be compared on centre, spread, shape and outliers in one display.

    Practical, model not builtLow risk

  4. Mathematics 7–10 · Years 9–10

    Climate Data Online: daily maximum temperatures for two months compared

    A public data set of daily observations can be downloaded, summarised and displayed so that two distributions are compared on centre, spread, shape and outliers with the real numbers behind them.

    PracticalLow risk

  5. Mathematics 7–10 · Years 9–10

    Height and arm span: a scatterplot and a line of best fit by eye

    Two measurements taken from each person form points whose pattern shows the direction, strength and linearity of their association, and a line of best fit drawn by eye lets one be predicted from the other, with predictions outside the measured range treated as less reliable.

    Practical, model not builtLow risk

For tutors and administrators

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