Maths
Two Two-Digit Numbers (with exchange)
Add and subtract two two-digit numbers, exchanging where needed.
MathsAge 7+25 minutes
What this topic covers
- Add two two-digit numbers by partitioning into tens and ones.
- Exchange ten ones for a ten when the ones add past 9.
- Subtract two two-digit numbers, exchanging a ten for ten ones when needed.
Core concept summaries
Key ConceptsTens with Tens, Ones with OnesExchange Ten Ones for a TenExchange a Ten for Ten Ones
Practice formats pupils may meet
NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.
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