Related Numbers: Two-Step Rules

Pupils work systematically through two-step rules, including adding then halving or doubling and multiplying then adjusting, testing each possible rule against both example groups.

Verbal ReasoningAge 10+40 minutes

What this topic covers

Recognise when the middle number is smaller than the sum, suggesting halving or subtracting.
Test possible two-step rules systematically against both example groups.
Apply the confirmed rule to the last group in the right order.

Core concept summaries

Key ConceptsClues from the Middle NumberTesting SystematicallyOrder and Checking

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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