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Grade 3 · Grammar · Parts of speech

3rd Grade Regular and Irregular Nouns worksheets

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Regular and Irregular Nouns

Grade 3 Grammar Worksheet

NameDate

Write the answer on the line.

  1. one fox, two

  2. one cup, two

  3. one family, two

  4. one peach, two

  5. one dress, two

  6. one wife, two

  7. one pony, two

  8. one mouse, two

  9. one tooth, two

  10. one child, two

  11. one zoo, two

  12. one person, two

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3rd Grade Regular and Irregular Nouns worksheet 1 – printable PDF
Download PDF: 123456

About this worksheet

A plural noun names more than one. Most nouns just add s, but many third-grade words follow other patterns. A noun that ends in x, s, ch or sh adds es, so fox becomes foxes. A noun that ends in a consonant plus y changes the y to i before es, so baby becomes babies, while a vowel before the y keeps it, as in toys. Some nouns that end in f or fe change to ves, such as leaf and leaves.

And the irregular nouns, such as child, mouse and foot, have plurals that are simply their own. On this worksheet your child reads a short frame, such as one fox, two, and writes the plural on the line. Early rows add s or es. Later rows mix in the y and f rules, nouns that change completely, and nouns that stay the same, such as sheep. Say both words out loud before writing.

What your child will learn

  • Make plurals with s and es
  • Change y to i and f to v when the rule calls for it
  • Write irregular plurals such as children, mice and feet
  • Know the nouns that stay the same, such as sheep

Common Core standard: L.3.1.B

Worked example

One fox, two foxes: a noun that ends in x adds es, not just s.

Common mistake

Adding s to every noun, which gives forms like childs, mouses and babys.

Helpful hint

Say the word for more than one, then check the spelling rule.

Questions parents ask

What is the most common mistake with regular and irregular nouns?

Adding s to every noun, which gives forms like childs, mouses and babys.

How can I help my child with regular and irregular nouns?

Say the word for more than one, then check the spelling rule.

Are these 3rd grade grammar worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

Similar: Common and Proper Nouns · Pronouns and Antecedents

More 3rd grade parts of speech

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