Brush up your maths: rounding

What is 23,432 to the nearest thousand? What is 47.843 to the nearest whole number? What is 2,317,995 to the nearest tenth of a million?

23,432 to the nearest thousand is 23 thousand. We round down because the next digit is 4.

47.743 to the nearest whole number is 48. We round up because the next digit is 7.

2,317,995 to the nearest tenth of a million is 2.3 million. A tenth of a million is 100,000. It is the place to the right of the millions. We round down because the next digit is 1.


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Last updated: 1 October, 2007.

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