Mathematics·Addition & Subtraction·procedural
Missing number problems (age 7+)
Solve addition and subtraction problems including missing-number problems, using number facts, place value, and more complex methods
Suggested ages 7–8
Learning journey
Your child is advancing their calculation skills — learning to add and subtract larger numbers up to 1000, mastering mental math strategies, and solving more complex word problems.
Evidence of understanding
- Solve a missing-number problem such as 245 + ? = 380
- Choose an appropriate method (mental, written, or combination) based on the numbers
- Solve multi-step problems combining addition and subtraction of three-digit numbers
Assessment prompt
Can Missing number problems (age 7+) work out sums with a hidden number — like '? − 38 = 24' or '53 + ? = 91' — by thinking carefully about what the equation is asking?
Standards alignment
Ma/KS2/Y3/AS/4GB · uk-nc-2013
Solve addition/subtraction problems
The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 2