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Mathematics and Statistics, Years 9–10

Phase 4 of Te Mātaiaho. Strands: Number, Algebra, Measurement, Geometry, Statistics, Probability.

Years 9–10 lesson and unit ideas

  • Unit

    Linear patterns and power plans

    Compare two power or phone plans with tables, graphs and rules of the form y = mx + c, and decide when each is cheaper.

  • Lesson

    Is the ladder long enough?

    Use Pythagoras' theorem to solve ladder, ramp and shortcut problems, checking answers with scale drawings.

  • Unit

    Comparing reaction times

    Collect reaction-time data from two groups, draw box plots, compare medians and spreads, and write a conclusion.

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