Okuzeka
Mathematics vocabulary · Numbers and Operations

Round

Meaning in mathematics, with examples

/raʊnd/verbCore term

In mathematics, round means: To replace a number with a simpler value close to it, to a given place value or number of decimal places; 3.476 rounded to one decimal place is 3.5.

In Turkish: yuvarlamak

How it is used

Exam questions say 'round to the nearest whole number', 'round to two decimal places' or 'round to three significant figures'. You can also 'round up' or 'round down', and the result is a 'rounded' value.

Example sentences

  1. Round your answer to the nearest centimetre.

  2. Don't round too early, or your final answer will be slightly off.

Common collocations

  • round to the nearest
  • round up
  • round down
  • round to two decimal places
  • rounding error
  • decimal pointThe dot that separates the whole-number part of a number from its decimal part, as in 3.75; English uses a point where Turkish uses a comma.
  • estimateTo find an approximate value quickly, usually by rounding the numbers first, so that you can check whether an exact answer is reasonable.
  • percentageAn amount expressed as a number out of 100 and written with the sign %; for example, 25% means 25 out of every 100.
  • integerA whole number that can be positive, negative or zero, such as −3, 0 or 25, with no fractional or decimal part.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Numbers and Operations

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