Mental multiplication and division
Use place value, known and derived facts to multiply and divide mentally, including multiplying by 0 and 1, dividing by 1, and multiplying together three numbers
Teaching approaches
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1 approach
Can your child work out things like '6 × 0', '1 × 35', or '100 ÷ 100' instantly in their head — using what they know rather than working everything out from scratch?
Use place value, known and derived facts to multiply and divide mentally, including multiplying by 0 and 1, dividing by 1, and multiplying together three numbers
Learning resources
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This concept
Check understanding
- Calculate 40 × 6 = 240 mentally using place value
- Explain why any number × 0 = 0 and any number × 1 = the number itself
- Multiply three numbers mentally by choosing a useful pair first (e.g. 2 × 7 × 5 = 2 × 5 × 7 = 70)
“Can your child work out things like '6 × 0', '1 × 35', or '100 ÷ 100' instantly in their head — using what they know rather than working everything out from scratch?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Multiplication & Division
- Age range
- Ages 8–9
Standards