Maths
Stretch Grammar – Divisibility Rules
Stretch (universal 11+): use divisibility rules for 2, 3, 4, 5, 6, 9 and 10 to test numbers quickly.
MathsAge 11+25 minutes
What this topic covers
- Test divisibility by 2, 5 and 10 from the last digit.
- Test divisibility by 3 and 9 from the digit sum.
- Test divisibility by 4 from the last two digits and by 6 by combining rules.
Core concept summaries
Key ConceptsLast-Digit Rules: 2, 5, 10Digit-Sum Rules: 3 and 9Last-Two-Digits Rule: 4
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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