A noun that names two or more people, places, things, or ideas is a plural noun.

​Plural

A singular noun names only one person, place, thing, or idea.

​Singular

Singular (1) and Plural (more than 1)

2 books
4 chairs
5 apples
7 rooms
10 crayons

​Plural Noun (with "s")

A banana
An umbrella
A house
1 orange
1 pencil

​Sigular Noun (no "s")

​​A dog

​​An elephant

​​4 birds

​​7 rabbits

this, that, these, those

​We use this, that, these, those to show where an object or person is in relation to the speaker.

This (singular) and these (plural) are used when an object or person is near the speaker.

This is my school bag.
These are my pencils.

That (singular) and those (plural) are used when an object or person is far away.

That is my school ruler.
Those are my books.