Which strategy best helps students identify the main idea in a paragraph?

• A. Read the topic sentence, underline key details, and summarize the paragraph in one sentence.
• B. Guess the main idea from the last sentence.
• C. Read only the punctuation marks to infer meaning.
• D. Look for the longest word and assume it's the main idea.

Answer: (A)

Finding the main idea means identifying the central message the paragraph is conveying. A reliable strategy is to read the topic sentence, underline key details that support that idea, and then summarize the paragraph in one sentence. The topic sentence often signals the main point, so starting there helps you capture the focus quickly. Underlining the details that directly connect to that point shows which facts or examples are meant to support it. Finally, rewriting the paragraph in one sentence checks that you understood the gist and can restate it clearly. This approach ties the supporting information to a single message, making the overall purpose of the paragraph clearer. Other options don’t fit as well: guessing the main idea from the last sentence can miss earlier emphasis, focusing only on punctuation ignores content, and looking for the longest word isn’t a reliable indicator of meaning. With practice, this method helps you recognize the main idea across different texts.