OML Search

Rounding and Decimal Places

Related Topics:
More Lessons for GCSE Maths
Math Worksheets



In many instances exact numbers are not necessary or even desirable. In those circumstances approximations are given. Rounding is one form of approximation. A number can also be approximated to a given number of decimal places (d.p.) This refers to the quantity of numbers written after a decimal point.

Approximations, Rounding revision



Rounding to nearest 10
Rounding to decimal places


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.