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Place value headings
Introduction
We use place value headings like 10, 100, 1000. These help us do sums and see which numbers are bigger than others.
A number is made of one or more digits. The number 683, for example, is made of the digits 6, 8 and 3.
The position of a digit in a number is very important. A digit's value depends on its position in the number.
Use place value headings to work out the value of each digit in a number.
So the number 351489.3 is three hundred and fifty-one thousand, four hundred and eighty nine, and three tenths.
