How many pens are there?
There is a pen.
How many doors are there?
There is a door.
How many erasers are there?
There are 10 erasers.
How many chairs are there?
There are 4 chairs.
How many boards are there?
There is a board.
How many crayons are there?
There are 6 crayons.
How many pencils are there?
There are 3 pencils.
How many windows are there?
There are 2 windows.
How many clocks are there?
There is a clock.
How many bags are there?
There are 4 bags.
How many rulers are there?
There is a ruler.
How many books are there?
There are 9 books.