MathematicsMultiplication & DivisionAges 8–9
Factor Pairs & Commutativity
Recognise and use factor pairs and commutativity in mental calculations
Learning resources
Reviewed external links that reinforce this concept. They do not replace Gakuva’s teaching approach.
No reviewed resources for this concept yet.
The teaching approach above still stands. Curated practice links will appear here as the shelf fills.
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This concept
Factor Pairs & CommutativityConceptual concept
Check understanding
- List all factor pairs of a given number (e.g. 24: 1×24, 2×12, 3×8, 4×6)
- Use commutativity to reorder a multiplication for easier mental calculation
- Explain what a factor pair is and how commutativity helps
“If your child needs to multiply '4 × 15', can they spot that splitting it into '4 × 5 × 3 = 20 × 3 = 60' is a clever shortcut — using factor pairs to make it easier?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Multiplication & Division
- Age range
- Ages 8–9
Standards
uk-nc-2013:Ma/KS2/Y4/MD/3