One or Many? Grade 4 Singular and Plural Practice

One or Many? Grade 4 Singular and Plural Practice
Last Updated At: 31 Mar 2026
4 min read

One or Many? Grade 4 Singular and Plural Practice Worksheet with Answers

Learning English grammar can be fun when you explore how words change from one to many! In this Grade 4 English grammar worksheet on Singular and Plural Nouns, students get to practice simple and interesting rules that help them understand how nouns change their forms. This worksheet is full of engaging exercises that make learning easy and enjoyable.

What Is the Topic?

Singular and plural nouns are words that tell us whether we are talking about one or more than one. A singular noun refers to one person, place, animal, or thing, while a plural noun refers to more than one. In this Grade 4 worksheet, students learn how to change singular nouns into plural forms using different rules such as adding –s, adding –es, changing ‘y’ to ‘i’ and adding –es, and changing ‘f’ or ‘fe’ to ‘ves’. They also learn irregular plural forms.

What’s in This Worksheet?

1. The worksheet includes five sections focusing on different plural rules.
2. Students practice adding –s to simple nouns.
3. They learn to add –es for certain words.
4. They practice changing ‘y’ to ‘i’ and adding –es.
5. They learn how to change ‘f’ or ‘fe’ into ‘ves’.
6. They also work on irregular plural nouns.
7. The exercises are structured in a clear and progressive manner to support learning step by step.

Definitions, Examples, Techniques, and Tips

Definitions:
Singular nouns name one person, place, animal, or thing.
Plural nouns name more than one person, place, animal, or thing.

Examples from the worksheet:
cat → cats
box → boxes
baby → babies
knife → knives
child → children

Techniques:
Add –s to most nouns.
Add –es to nouns ending in certain sounds.
Change ‘y’ to ‘i’ and add –es when needed.
Change ‘f’ or ‘fe’ to ‘ves’.
Learn special irregular forms.

Quick learning tips:
Read each word carefully.
Identify the ending of the word.
Apply the correct rule step by step.
Practice regularly to remember patterns.

Why Is It Important to Learn This?

Learning singular and plural nouns helps students speak and write correctly. It improves sentence formation and helps avoid common grammar mistakes. Understanding these rules builds a strong grammar foundation for future learning.

Where Will This Knowledge Help You?

Students will use this knowledge in:
Exams and worksheets
Writing sentences and paragraphs
Speaking clearly in class
Understanding reading passages better

How to Use This Worksheet?

1. Attempt all questions independently first.
2. Follow each section carefully in order.
3. Compare your answers with the answer key.
4. Correct mistakes and understand the rules.
5. Practice similar words regularly.

The solutions below follow the exact worksheet order. Students should compare their answers carefully.

Important Tips and Tricks

1. Always check the ending of the noun before changing it.
2. Do not add –s or –es randomly.
3. Remember spelling changes like y → i.
4. Practice irregular plurals as they do not follow rules.
5. Read each instruction carefully before answering.
6. Write neatly and clearly for full marks.

Complete Answer Key

Exercise - 1

cat – cats  
book – books  
pen – pens  
chair – chairs  
apple – apples  
dog – dogs  
car – cars  
toy – toys  
flower – flowers  
bag – bags  

Exercise - 2

box – boxes  
dish – dishes  
tomato – tomatoes  
church – churches  
bus – buses  
fox – foxes  
glass – glasses  
brush – brushes  
mango – mangoes  
match – matches  

Exercise - 3

baby – babies  
story – stories  
lady – ladies  
pony – ponies  
city – cities  
army – armies  
party – parties  
berry – berries  
fly – flies  
puppy – puppies  

Exercise - 4

knife – knives  
leaf – leaves  
wolf – wolves  
calf – calves  
shelf – shelves  
loaf – loaves  
thief – thieves  
life – lives  
wife – wives  
half – halves  

Exercise - 5

child – children  
man – men  
woman – women  
tooth – teeth  
foot – feet  
mouse – mice  
goose – geese  
ox – oxen  
louse – lice  
person – people  

With consistent practice using this Grade 4 English grammar worksheet on Singular and Plural Nouns, students can become more confident in using correct word forms. Keep practicing regularly and enjoy learning grammar step by step!

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