Mathematics Multiplication & Division Procedural 8–9 yrs

Mental multiplication and division

心算乘除法

Description

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

Mastery Evidence

✓ 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)

Assessment Prompt

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?