Main Idea and Details Flashcards

Which of the following BEST describes the difference between a topic and a main idea?

Answer: A topic names the subject; a main idea states the author's point about that subject.

The topic identifies what the passage is about, while the main idea expresses the author's central claim or message about that topic.

Read: 'Despite facing rejection from multiple publishers, J.K. Rowling persisted until Harry Potter was accepted. Today the series has sold over 500 million copies.' What is the implied main idea?

Answer: Persistence in the face of rejection can lead to great success.

The contrast between early rejection and massive eventual success implies that persisting through failure leads to achievement.

A detail that gives a specific example, statistic, or explanation is best described as:

Answer: A supporting detail

Specific examples, statistics, and explanations serve as supporting details that back up the main idea.

A passage has five paragraphs. Paragraphs 2–5 each describe a different challenge faced by small business owners. Paragraph 1 most likely contains:

Answer: The main idea about challenges facing small business owners

Since the body paragraphs all address challenges, the opening paragraph likely states the main idea that small business owners face significant challenges.

Which sentence best functions as a main idea statement for a paragraph about the benefits of walking?

Answer: Walking regularly improves heart health, mood, and energy levels.

Only option C makes a broad claim about multiple benefits of walking, which other sentences in the paragraph would then support.

An author writes a passage arguing that fast food contributes to poor health. A reader finds a detail about fast food restaurant décor. This detail is:

Answer: An irrelevant detail that weakens coherence

Restaurant décor does not connect to health outcomes and is irrelevant to the main idea about fast food and health.

Read this passage summary: 'Paragraph 1 discusses deforestation rates. Paragraph 2 covers habitat loss. Paragraph 3 examines species extinction.' What is the most likely main idea of the full passage?

Answer: Deforestation is causing serious ecological damage.

All three paragraphs describe negative environmental consequences of deforestation, pointing to ecological damage as the main idea.