Countable and uncountable nouns: To count or not to count

In English, nouns are "countable" or "uncountable." Countable nouns refer to things and concepts that can be counted, like two hours, five puppies and twenty geraniums. Uncountable nouns refer to things and concepts that cannot be counted, such as luggage, information or courage.

In the following sentences, identify whether the nouns in square brackets are countable or uncountable.

1. Uncle Bert ordered [spaghetti] and meatballs for dinner.
2. Waiter! There’s a [hair] in my soup!
3. We cancelled our holidays because the baby came down with the [measles].
4. Vivian failed to see the [humour] of the situation.
5. Angelo washed down his doughnut with a large [coffee].
6. Valerie—a chronic insomniac—always feels better whenever she gets enough [sleep].
7. Do you know how to play [billiards]?