Maths
Listing All Possibilities Systematically
Enumerate possibilities of combinations of two variables systematically.
MathsAge 11+25 minutes
What this topic covers
- List all combinations of two choices in a fixed order (all of A with each B).
- Count combinations by multiplying the number of choices.
- Find combinations satisfying a total or constraint, without missing or repeating any.
Core concept summaries
Key ConceptsFix One, Vary the OtherCounting Without ListingWith a Constraint; the Repeat Trap
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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