Reading Comprehension: Main Idea Flashcards

A passage opens: 'Urban gardens have transformed vacant lots into productive green spaces, reduced local food insecurity, and strengthened community bonds across dozens of cities.' What is the main idea?

Answer: Urban gardens address multiple community needs simultaneously.

The sentence presents three benefits of urban gardens, all supporting the idea that they serve multiple community purposes.

Which type of statement most commonly expresses the main idea of an informational passage?

Answer: A broad claim that the supporting details reinforce

The main idea is typically a broad, general claim that the passage's details, examples, and evidence are all designed to support.

A student reads a passage about coral reef decline and summarizes it as 'Coral reefs are pretty.' The teacher says this misses the main idea. Why?

Answer: It is too vague and does not reflect the passage's specific argument about decline.

A main idea summary must capture the central argument, not just a general quality; 'coral reefs are pretty' ignores the passage's focus on decline.

A passage spends four paragraphs detailing how social media affects sleep, mood, academic performance, and self-esteem in teenagers. The best main idea statement is:

Answer: Social media negatively affects multiple aspects of teenage wellbeing.

The main idea encompasses all four areas the passage covers, tying them together under the umbrella of teenage wellbeing.

The title of a passage is 'The Hidden Costs of Fast Fashion.' After reading, a student finds the passage discusses environmental damage, labor exploitation, and consumer waste. Which main idea best fits?

Answer: Fast fashion imposes significant environmental, social, and economic costs.

The main idea reflects all three cost categories the passage explores and aligns with the title's framing of 'hidden costs.'

In a persuasive passage, the author writes: 'While opponents cite economic costs, renewable energy investment ultimately saves money, creates jobs, and protects the environment.' What is the main idea?

Answer: Renewable energy is beneficial despite its perceived economic drawbacks.

The author concedes one counterargument but argues that overall benefits outweigh it, making the main idea a defense of renewable energy.

A passage about the history of the internet concludes: 'From a military communication tool to a global marketplace for ideas, the internet has fundamentally altered human civilization.' This conclusion most likely restates the passage's:

Answer: Main idea

Conclusions frequently restate the main idea in broader terms, synthesizing the passage's historical narrative into a single overarching claim.