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3rd Grade Informative Topic Sentences worksheets

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Informative Topic Sentences

Grade 3 Writing Worksheet

NameDate

Circle the answer, or write your answer on the lines.

  1. Facts: Sea turtles lay eggs on sandy beaches. Baby turtles crawl to the ocean. Adult turtles swim thousands of miles. Which topic sentence fits all three facts?

    • Sea turtles are the most amazing animals.
    • Sea turtles travel a long way during their lives.
    • The ocean covers most of Earth.
    • Baby turtles crawl to the ocean.

  2. A paragraph is about volcanoes. Which sentence gives only one small detail?

    • There are different kinds of volcanoes around the world.
    • Volcanoes can change the land around them.
    • Volcanoes are openings where melted rock comes out.
    • Mount St. Helens erupted in 1980.

  3. Title: "How Seeds Travel." Which topic sentence matches the title?

    • Planting seeds is my favorite spring job.
    • Some seeds stick to animal fur.
    • Seeds move to new places in many surprising ways.
    • Flowers come in many bright colors.

  4. Which sentence is the best topic sentence for a paragraph that teaches facts about penguins?

    • I am going to tell you about penguins.
    • Emperor penguins can be four feet tall.
    • Penguins are the cutest birds at the zoo.
    • Penguins are birds that are built for life in cold water.

  5. Read the facts. Write a topic sentence that fits all of them. Then add one more fact. Facts: Polar bears have thick fur. They have a layer of fat. Their wide paws help them walk on ice.

    Topic sentence
    One more fact
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3rd Grade Informative Topic Sentences worksheet 1 – printable PDF
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About this worksheet

Informative writing begins with a topic sentence that tells the reader what the paragraph will explain. Many third graders either write a tiny detail, such as a color or one body part, or they write an opinion that belongs in a different kind of writing. This worksheet isolates the opening sentence of an informative paragraph. Students match topic sentences to groups of facts, identify sentences that are too narrow, and choose openings that fit a title.

Because each item has a correct answer, children can practice the decision before they write full paragraphs on their own. The best answers are broad enough to cover all the facts but still specific enough to guide the reader. This habit also helps children check whether later details still belong.

What your child will learn

  • Choose a topic sentence for an informative paragraph
  • Match a topic sentence to related facts
  • Avoid openings that are too narrow
  • Tell informative topic sentences from opinions

Common Core standard: W.3.2

Worked example

For facts about wings, nectar, and caterpillars, 'Butterflies are insects with interesting body parts and life stages' fits better than one detail about antennae.

Common mistake

Using one small fact as the topic sentence, which leaves the rest of the paragraph without a clear focus.

Helpful hint

The topic sentence should fit all the facts, not just one detail.

Next skill: Organize Facts and DefinitionsEarlier: Support an Opinion

Questions parents ask

What is the most common mistake with informative topic sentences?

Using one small fact as the topic sentence, which leaves the rest of the paragraph without a clear focus.

How can I help my child with informative topic sentences?

The topic sentence should fit all the facts, not just one detail.

Are these 3rd grade writing worksheets free to print?

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

Similar: Organize Facts and Definitions

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