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UK National CurriculumMa/KS2/Y3/AS/1cUKNC-2013

Mental addition/subtraction (hundreds)

UK National Curriculum·math·Grade null·Last verified: Jul 11, 2026

add and subtract numbers mentally, including: a three-digit number and hundreds

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Skills that teach this standard (1)

1 with free practice questions
Mentally adding hundreds to 3-digit numbers →
Addition & Subtraction · Ages 7–8 · try 3 free questions

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