When we use decimals you can think of one whole divided into ten parts, they’re tenths. Or if you divide into one hundred parts, these are hundredths. So, how do we write them? Say hello to the ...

A decimal is a way of writing a number that is not whole. Decimal numbers are 'in between' numbers. For example, 10.4 is in between the numbers 10 and 11. It is more than 10, but less than 11.