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1st Grade Plural Noun Rules Worksheets

Plural means more than one, and most nouns show it with a simple -s: one cat, two cats. Words that end in a hissing sound (box, bus, dish) need -es so the ending can be heard. First graders pick the correctly built plural with a number word as their clue.

Free printable PDF, aligned to Common Core L.1.1.c. One skill per page, answer key on page two.

Every sheet is one of a kind and prints with a version code, so you can reprint the exact same one later. New version every click.

A sample 1st grade sheet. Yours will have different sentences. Click it to print your own.

The kind of sentences you'll get

Circle the letter of the correctly spelled plural.

  1. Ten ______ sit in neat rows. desks · desk's

    Answer: desks

  2. Both ______ grew red berries. bush's · bushs · bushes
  3. Two ______ sit high in the tree. nest's · nests

Every print draws a fresh mix of sentences at this level, so a make-up test or a second sibling gets a different sheet.

What's on each sheet

Every version prints on US Letter or A4, with its answer key on the last page.

How to teach this

Count everything: one sock, two socks, one box, two boxes. The -es words earn a special ear check: try saying "two boxs" and hear how the ending disappears; that's WHY the e is there. Keep irregulars like mice for next year; this year is the reliable -s and -es.

Watch for: The -es rule follows the sound: you can hear the extra beat in fox-es and bench-es. If you can hear it, spell it. Words ending in vowel + y just add -s: boys, days, keys. Only consonant + y changes to -ies.

Common questions about plural noun rules

When does a word need -es instead of -s?
When the word ends in a hissy sound (s, x, sh, ch), plain -s can't be heard, so English adds -es to give the ending its own beat: boxes, buses, dishes. Say both versions aloud and the need becomes obvious even to a six-year-old.
What about words like mice and feet?
Those irregular plurals get their own worksheets in 2nd grade. First grade builds the dependable rule first, so the exceptions have something to be exceptions to.

Related worksheets

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One page, answer key included. A fresh version every time you click.

Aligned to Common Core L.1.1.c. Reviewed by the One More Sheet curriculum team. Content version 68, updated July 2026.