Maths

Enumerating Possibilities

Work systematically to find every valid combination of two variables.

MathsadvancedAges 11+25 minutes

What this topic covers

  • Organise search using tables or tree diagrams
  • Use constraints (totals, ranges, parity) to prune possibilities
  • Explain why your list is complete (no misses or repeats)

Core concept summaries

Core IdeasStart SystematicallyUse ConstraintsAvoid RepeatsWorked ExamplesSum to 10Two-Step Rule

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

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