This number line shows how this works for decimals between 1.6 and 1.7. Back to top. Quiz: Rounding to one decimal place. ... A place value chart can be really helpful when rounding decimals.

In this KS2 Maths article you'll find out what a decimal number represents, by using place value headings and one hundred grids. We also have KS2 videos, a quiz and lots of examples.