A rounding error is a mathematical miscalculation caused by altering a number to an integer or one with fewer decimals.

In this KS2 Maths article you'll learn how to round numbers to the nearest 10, 100 and 100 using a variety of techniques. We also have KS2 videos, a quiz and lots of examples.

And, just for giggles, the same term can refer to different things; for example, the round method of the Java Math Library provides an asymmetric implementation of the round-half-up algorithm, while ...

In this KS2 Maths article you’ll learn how to round decimals to one decimal place. We also have a KS2 Maths quiz and lots of examples ...