Numbers can be rounded to significant figures, which are usually non-zero digits. Practice how to round to significant figures ahead of your National 5 Maths exam with this maths quiz.

Rounding is conditional, depending on the need for significant figures. Different contexts might lead to different rounding rules. We’ve included three examples of best practices for rounding ...

It’s so tempting to round off numbers and present your audience with pretty whole numbers rather than cluttering up the text with decimal points and a string of digits. Sometimes rounding a number up ...