There are _ number of books on the table.
There are a number of books on the table.
There are __ number of candy bars inside the basket.
There are a number of candy bars inside the basket.
Here is __ number of pancakes you want.
Here is the number of pancakes you want.
__ number of cats in the kitchen is seven.
The number of cats in the kitchen is seven.
The number of apples you want ___ five.
The number of apples you want is five.
__ number of students are going on a trip.
A number of students are going on a trip.