4th grade fact vs opinion worksheets

Fourth graders meet opinions in fact's clothing: "our town needs a bigger library" carries no feeling words yet can't be proven. Statements now pull from science and history, so the checkable test has real content to bite on.

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The kind of sentences you'll get

Read each statement. Decide whether it is a fact or an opinion, then circle the letter.

  1. Mars is the planet most worth visiting. This statement is . a fact · an opinion

    Answer: an opinion

  2. Whales are more interesting than sharks. This statement is . a fact · an opinion
  3. Earth orbits the sun once a year. This statement is . an opinion · a fact

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

Press on the sneaky ones: no feeling words, still unprovable. Ask "what measurement would settle this?" If no measurement exists, it's an opinion no matter how confident it sounds. Newspaper headlines make good extra rounds at this level.

Watch for: An opinion isn't a wrong fact, and a fact isn't a nice opinion; they're different kinds of sentences. 'Broccoli is a vegetable' and 'broccoli is awful' can both be on the same plate. Words like best, worst, should, beautiful, and boring are opinion flags, but the real test is checkability: if no measurement or source could settle it, it's an opinion.

Common questions about fact vs opinion

Can a sentence be both fact and opinion?
A sentence can smuggle both: "our 200-year-old courthouse is the prettiest building in town" wraps a checkable age inside an unprovable judgment. Readers who can split such sentences into their parts are doing exactly what this skill is for.
Why do the facts on this sheet come from science and history?
Because that's where the skill gets used. A fourth grader who asks "could this be checked?" about a statement on whales or presidents is practicing on the same material their textbooks and tests are made of, and every fact on the sheet is true, so checking is always possible.

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Reviewed by the One more sheet team. Content version 137, updated August 2026.

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