Column subtraction practice across four pages for Year 3 maths. Pupils start with no-exchange questions like 358 - 143, work through exchanging with 573 - 248, then subtract through zero with 403 - 178 and 600 - 245. A final Detective Work section covers spot-the-mistake and missing digits. Answer key at the end. Aligned to the England National Curriculum written methods objective.
Number — addition and subtraction
“Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction”
Difficulty steps up from no exchanging to exchanging through zero.
Number — addition and subtraction
“Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction”
The Detective Work section turns the method into a reasoning task.
Straightforward columns like 358 - 143 set out in place value tables.
Questions such as 573 - 248 with working space for regrouping.
The hardest cases, including 403 - 178 and 600 - 245.
Spot the mistake in a worked calculation and find missing digits.
All solutions at the back.
Assessment check
The three difficulty levels show exactly where each pupil's method breaks down.
Intervention group
Stay on the exchanging section with pupils who rush the regroup.
Homework
Set the warm-up and exchanging pages after the method has been taught.
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