Mental multiplication and division (age 9+)
Multiply and divide numbers mentally drawing upon known facts, including related facts and place-value adjustments
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Teaching Table
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“Can your child work out things like '24 × 5' or '360 ÷ 8' in their head — using clever connections to known facts rather than needing to write anything down?”
Full guide and materials
- Activity. Multiply and divide numbers mentally drawing upon known facts, including related facts and place-value adjustments
What to notice. Calculate 40 × 60 mentally by using 4 × 6 = 24 then appending zeros • Derive 7 × 15 by calculating 7 × 10 + 7 × 5 • Calculate 360 ÷ 9 mentally using 36 ÷ 9 = 4
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Can your child work out things like '24 × 5' or '360 ÷ 8' in their head — using clever connections to known facts rather than needing to write anything down?
Multiply and divide numbers mentally drawing upon known facts, including related facts and place-value adjustments
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Check understanding
- Calculate 40 × 60 mentally by using 4 × 6 = 24 then appending zeros
- Derive 7 × 15 by calculating 7 × 10 + 7 × 5
- Calculate 360 ÷ 9 mentally using 36 ÷ 9 = 4
“Can your child work out things like '24 × 5' or '360 ÷ 8' in their head — using clever connections to known facts rather than needing to write anything down?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Multiplication & Division
- Age range
- Ages 9–10