Maths
Two-Digit Numbers and Ones
Add and subtract a two-digit number and ones, including crossing a ten.
MathsAge 7+25 minutes
What this topic covers
- Add ones to a two-digit number by counting on or using bonds.
- Subtract ones from a two-digit number by counting back or using bonds.
- Cross a tens boundary using 'make ten' (47 + 5 = 47 + 3 + 2).
Core concept summaries
Key ConceptsAdd Ones, Change the OnesCrossing a TenWatch the Tens Digit
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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