5th grade commonly confused words worksheets

Fifth graders tackle the pairs that trip adults: affect and effect, principal and principle, accept and except. The sound-alikes now differ by part of speech and shade of meaning, so choosing well means reading the whole sentence's intent.

Free printable PDF worksheet, aligned to Common Core L.4.1.g.

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The kind of sentences you'll get

Circle the letter of the word that belongs in the sentence.

  1. Our announced that the gym will become a storm shelter. principle · principal

    Answer: principal

  2. The class debated homework should be optional on weekends this year. whether · weather
  3. Look closely at the cliff, and you can see eagles nesting . their · there · they’re

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

Give each hard pair a one-word anchor: affect is the Action (verb), effect is the End result (noun). Have your student write their own anchor sentences; self-made mnemonics outlast borrowed ones. When they miss one, don't re-explain; ask them to teach the pair back to you.

Watch for: Spellcheck won't catch these: 'there boots' is spelled correctly, it's just the wrong word. The apostrophe versions are always two words squeezed together: they're = they are, you're = you are, it's = it is. Expanding them is the test.

Common questions about commonly confused words

Which confused pairs matter most in 5th grade?
The academic ones that follow kids for life: affect/effect, accept/except, than/then, and principal/principle. They start appearing in content-area writing this year, which is exactly when a wrong pick begins costing meaning rather than just points.
Is there one trick that helps with affect and effect?
The RAVEN line works for most cases: Remember, Affect is a Verb, Effect is a Noun. It covers the everyday uses a 5th grader meets. The rare exceptions (to effect change) are trivia for later; don't let them muddy the working rule.

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Aligned to Common Core L.4.1.g. Reviewed by the One more sheet team. Content version 137, updated August 2026.

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