4th grade comparative and superlative adjectives worksheets

Fourth graders work the full system: -er/-est with spelling changes, more/most for longer adjectives, and the irregulars good/better/best and bad/worse/worst. The sentence's comparison cue (than, of the two, in the whole school) always points to the answer.

Free printable PDF worksheet, aligned to Common Core L.3.1.g.

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The kind of sentences you'll get

Circle the letter of the form that fits the comparison.

  1. Of all the seasons here, spring is the . unpredictablest · most unpredictable

    Answer: most unpredictable

  2. The milk smelled even than it did yesterday. worser · more bad · worse
  3. Of the two microscopes, the newer one gives the image. sharpest · sharper

Every print pulls a fresh set of sentences at this level, so a make-up test or a second sibling never gets the same 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

Push on precision. "Of the two runners, she is the faster" sounds strange to many adults, which makes it a fun correctness conversation with 4th graders. Add the irregulars (good/better/best, bad/worse/ worst, far/farther/farthest) and let students prove each answer by counting what's being compared.

Watch for: Long adjectives use more and most instead of -er and -est: more colorful, most interesting, never colorfuler. Never double up: 'more taller' and 'most fastest' are always wrong.

Common questions about comparative and superlative adjectives

What are the irregular comparatives?
Good/better/best, bad/worse/worst, far/farther/farthest, and little/less/least. They ignore the -er/-est machinery entirely, so they're learned as small famous families. Fourth grade items mix them in once the regular system is automatic.
Is "the faster of the two" really correct?
Yes, and it surprises people. With exactly two, careful English uses the comparative: the faster runner, the taller twin. With three or more, the superlative takes over. It's a detail that makes students feel like insiders, which is half the fun of teaching it.

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Aligned to Common Core L.3.1.g. Reviewed by the One more sheet team. Content version 137, updated August 2026.

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