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.

Decimals and fractions are related. Just as fractions have equivalent fractions, decimals also have equivalent fractions. It’s important to know and understand how to write decimals as fractions ...