A number can be made of more than one digit. We use place value headings, like 'ones', 'tens', 'hundreds' and 'thousands' to help us understand the value of each digit. These chaps, the ones ...

This number is in the hundred thousands. 8 is in the ten thousands column, meaning eighty thousand. The nearest ten thousand could be 180,000 or 190,000. To round to the nearest ten thousand look ...