We also have a KS2 Maths quiz and lots of examples. ... This number line shows how this works for decimals between 1.6 and 1.7. Back to top. Quiz: Rounding to one decimal place.

In the decimal system, the place values are all powers of 10 close powers of 10 The second power of 10 for example is 100. ... Line up the decimal points to get the numbers in their correct columns.