# 3.24: The Suffix -s and Nouns

Difficulty Level: At Grade Created by: CK-12

## The Suffix -s and Nouns

1. Here are some of the words from the last lesson:

\begin{align*}&\text{chair} && \text{plate} && \text{show} && \text{uncle}\\ &\text{song} && \text{side} && \text{mother}\end{align*}

They are all a kind of word called nouns. One way to describe a noun is to say that it is the name of a person, place, or thing.

Another way to describe a noun is to say that it makes sense when we put it into the blank of this sentence: “The ______ seemed okay.”

Any word that makes sense in that blank is a noun. For instance, “The chair seemed okay.”

2. Try each of the six other words in the blanks below:

The ______ seemed okay. The ______ seemed okay.

The ______ seemed okay. The ______ seemed okay.

The ______ seemed okay. The ______ seemed okay.

Are all six words nouns? ______

3. If we add the suffix -s to the noun chair, we still have a noun:

The chairs seemed okay.

Add the suffix -s to the other six nouns and try them in the blanks:

The ______ seemed okay. The ______ seemed okay.

The ______ seemed okay. The ______ seemed okay.

The ______ seemed okay. The ______ seemed okay.

After you add the suffix -s to a noun, is it still a noun? ______

4. We use nouns to point to, or refer to, one or more persons, places, or things Read these words:

\begin{align*}&\text{chair} && \text{plate} && \text{show} && \text{uncle}\\ &\text{song} && \text{side} && \text{mother}\end{align*}

Would you use them to refer to, or point to, only one of what they name or to more than one? ______

5. After you add the suffix -s to them, would you use them to refer to one or to more than one? ______

6. Usually when you use a noun to refer to more than one of something, you add the suffix ______.

7. A noun that is used to refer to only one of what it names is called a singular noun.

Nouns that are used to refer to more than one of what they name are called plural nouns.

A singular noun is called singular because it is used to refer to a single thing.

Plural nouns are used to refer to more than one thing. The word plural is related to the words plus, which has the meaning “more.”

8. A noun that is used to refer to just one thing is called a ______.

9. Nouns that are used to refer to more than one thing are called ______.

10. Usually when you want to change a singular noun to a plural noun, you add the suffix ______.

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