An approximation is anything that is similar, but not exactly equal, to something else. A number can be approximated by rounding. A calculation can be approximated by rounding the values within it before performing the operations .

What is an example of approximation in math?

Not exact, but close enough to be used. Examples: the cord measures 2.91, and you round it to "3", as that is good enough. the bus ride takes 57 minutes, and you say it is "a one hour bus ride".

What is approximate example?

The definition of approximate is a time or a tangible item which is close to something else but not exactly like it. Stating that a play will start at 7:00 when it will actually start a few minutes after that is an example of the time of 7:00 being an approximate time. adjective. 5. 7.