Mathematics·Addition & Subtraction·procedural
Adding two two-digit numbers
Add and subtract two two-digit numbers using concrete objects, pictorial representations, and mental methods
Suggested ages 6–7
Learning journey
Your child is building strong foundations in addition and subtraction — learning to add and subtract numbers fluently within 20, understanding the relationship between these operations, and applying various mental strategies to solve problems.
Evidence of understanding
- Calculate 34 + 27 using base-ten blocks or column addition
- Calculate 63 − 28 using a number line or partitioning
- Explain a strategy for adding or subtracting two two-digit numbers
Assessment prompt
Can Adding two two-digit numbers add or subtract two two-digit numbers — like '43 + 28' — using counters, a drawing, or working it out in their head?
Standards alignment
Maths/Y2/AS/6GB · uk-nc-2013
Add and subtract two two-digit numbers
The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 1