Plurals online activity for Grade 3 - Free Printable

The task is to write the plural form of the given singular nouns. Below is the solution with explanations for each noun:

Singular to Plural Conversion Rules:

1. Regular Nouns: Most nouns form their plural by adding -s (e.g., book → books).
2. Nouns Ending in -s, -sh, -ch, -x: Add -es (e.g., box → boxes).
3. Nouns Ending in -y: If the noun ends in a consonant + -y, change -y to -ies (e.g., baby → babies). If it ends in a vowel + -y, just add -s (e.g., boy → boys).
4. Irregular Nouns: Some nouns have irregular plural forms (e.g., child → children).
5. Foreign or Special Cases: Some nouns retain their foreign plural forms (e.g., octopus → octopuses).

Solution:

| Singular | Plural | Explanation |
|----------------|-----------------|--------------------------------------|
| 1. copybook | copybooks | Regular noun; add -s |
| 2. wife | wives | Irregular noun; changes -ife to -ves |
| 3. bedroom | bedrooms | Regular noun; add -s |
| 4. kitten | kittens | Regular noun; add -s |
| 5. table | tables | Regular noun; add -s |
| 6. octopus | octopuses | Foreign noun; add -es |
| 7. child | children | Irregular noun |
| 8. person | people | Irregular noun |
| 9. leaf | leaves | Regular noun; add -s |
| 10. spoon | spoons | Regular noun; add -s |
| 11. pencil case| pencil cases | Compound noun; add -s to the main noun |
| 12. potato | potatoes | Regular noun; add -es |
| 13. rabbit | rabbits | Regular noun; add -s |
| 14. horse | horses | Regular noun; add -s |
| 15. library | libraries | Regular noun; add -s |
| 16. garden | gardens | Regular noun; add -s |
| 17. knife | knives | Irregular noun; changes -f to -ves |
| 18. dish | dishes | Regular noun; add -es |
| 19. tomato | tomatoes | Regular noun; add -es |
| 20. cookie | cookies | Regular noun; add -s |

Final Answer:

| Singular | Plural |
|----------------|-----------------|
| 1. copybook | copybooks |
| 2. wife | wives |
| 3. bedroom | bedrooms |
| 4. kitten | kittens |
| 5. table | tables |
| 6. octopus | octopuses |
| 7. child | children |
| 8. person | people |
| 9. leaf | leaves |
| 10. spoon | spoons |
| 11. pencil case| pencil cases |
| 12. potato | potatoes |
| 13. rabbit | rabbits |
| 14. horse | horses |
| 15. library | libraries |
| 16. garden | gardens |
| 17. knife | knives |
| 18. dish | dishes |
| 19. tomato | tomatoes |
| 20. cookie | cookies |

Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
\text{1. copybook} & \text{copybooks} \\
\text{2. wife} & \text{wives} \\
\text{3. bedroom} & \text{bedrooms} \\
\text{4. kitten} & \text{kittens} \\
\text{5. table} & \text{tables} \\
\text{6. octopus} & \text{octopuses} \\
\text{7. child} & \text{children} \\
\text{8. person} & \text{people} \\
\text{9. leaf} & \text{leaves} \\
\text{10. spoon} & \text{spoons} \\
\text{11. pencil case} & \text{pencil cases} \\
\text{12. potato} & \text{potatoes} \\
\text{13. rabbit} & \text{rabbits} \\
\text{14. horse} & \text{horses} \\
\text{15. library} & \text{libraries} \\
\text{16. garden} & \text{gardens} \\
\text{17. knife} & \text{knives} \\
\text{18. dish} & \text{dishes} \\
\text{19. tomato} & \text{tomatoes} \\
\text{20. cookie} & \text{cookies} \\
\end{array}
}
\]