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Informative Topic Sentences
Grade 2 - Writing - Building Confidence
Worksheet 1
1Which topic sentence tells what a paragraph about rain will explain?
2Read these facts: Butterflies have wings. They drink nectar. They begin life as caterpillars. Which topic sentence fits them?
3Which sentence is too narrow to be the topic sentence for a paragraph about libraries?
4Which sentence is an opinion, not an informative beginning about rain?
5The paragraph title is "Butterflies." Which sentence is off topic?
About this worksheet
Informative writing begins with a topic sentence that tells the reader what the paragraph will explain. Many second 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
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.