Mathematics·Multiplication & Division·conceptual
Using inverse operations
Recognise and use relationships between operations including inverse operations; use these relationships to check answers and simplify calculations
Suggested ages 11–12
Evidence of understanding
- Use addition and subtraction as inverse operations to check and solve problems
- Use multiplication and division as inverse operations to check and solve problems
- Recognise that squaring and square-rooting are inverse operations
Assessment prompt
If Using inverse operations works out '252 ÷ 7 = 36', can they immediately use the inverse to check — '36 × 7 = 252' — without having to redo the division?
Standards alignment
KS3.Maths.Num.6GB · uk-nc-2013
Relationships Between Operations
The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 3