Mathematics
Multiplication & Division
Conceptual
8–9 yrs
Division as Unknown Factor
除法作为未知因数
Description
Understand division as an unknown-factor problem (e.g. find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8)
Mastery Evidence
- Explain that 32 ÷ 8 = ? is the same as 8 × ? = 32
- Use a known multiplication fact to find a division answer
- Describe the relationship between multiplication and division as inverse operations
Assessment Prompt
Can your child work out '32 ÷ 8' by asking 'what do I multiply 8 by to get 32?' — using times table knowledge rather than a separate division method?
