“Countable and Uncountable nouns are grammatical topics that are likely to come up again and again in your studies so it’s important to know the main differences between them. If you are looking to improve your usage of numbers and to know how to use them to refer to person(s), place(s), and things(s), which are one or more in amount, then you will need to have a good grasp of countable and uncountable nouns.”