Numihana711 − 90 = — use a mental method.
Answer: ________________
LEARN, PRINT & PRACTISE
Mental subtraction of tens.
Mental subtraction of tens
Numihana · England Year 3
Mental subtraction of tens
Practice sheet
Name: ______________
Date: ______________
Mental subtraction of tens
44 − 30 = — use a mental method.
Answer: ________________
496 − 70 = — use a mental method.
Answer: ________________
325 − 40 = — use a mental method.
Answer: ________________
366 − 90 = — use a mental method.
Answer: ________________
196 − 70 = — use a mental method.
Answer: ________________
Numihana · England Year 3
Mental subtraction of tens
Answer key
Name: ______________
Date: ______________
Mental subtraction of tens
711 − 90 = — use a mental method.
Answer: 621
44 − 30 = — use a mental method.
Answer: 14
496 − 70 = — use a mental method.
Answer: 426
325 − 40 = — use a mental method.
Answer: 285
366 − 90 = — use a mental method.
Answer: 276
196 − 70 = — use a mental method.
Answer: 126
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The skill behind this activity
Mental subtraction of tens
Department for Education: mathematics programmes of study ↗
Year 3 → Number → Addition and subtraction · Selected statutory skill. Pack 2.2.0 · source checked 2026-10-12.
For teachers and parents
Change the requested ones, tens or hundreds place. Partition or count on/back, then undo the change to check.
A common slip
Changing tens means changing groups of ten, not ones.
Worked example
206 − 70 = — use a mental method.
Answer: 136
Change the requested ones, tens or hundreds place. Partition or count on/back, then undo the change to check.