AC9M5ST02 • Year 5 Maths

Line Graphs and Discontinuous Scales (AC9M5ST02)

interpret line graphs representing change over time; discuss the relationships that are represented and conclusions that can be made

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Unit focus

  • Students construct line graphs for ordered data, read interpolation and trends cautiously, and recognise how a broken or truncated vertical scale changes visual impact without changing the data.
  • Use this routine: Represent → Reason → Calculate → Interpret → Verify.
  • Watch for categories connected as if continuous: Use line graphs only when order or continuity is meaningful.
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